This website uses cookies to improve your experience while you navigate through the website. -Incorrect wiring between indoor and outdoor units (incorrect polarity of S1,S2,S3). Contact Alltech Air Conditioning to help resolve any Mitsubishi issues. Please read this manual thoroughly before use to ensure safe and proper use. Possible defective board, 49C open - compressor inner thermostat for open circuit or contact failure, 63H open - check high pressure switch for disconnection or contact failure. No unit. If high current is detected for more than 10 minutes - check inverter balance. Check the blinking pattern of the LED on the inverter P.C. indoor then outdoor, 51CM connector open - check thermal relay for disconnection or contact failure. View and Download Mitsubishi Electric FR-E700 instruction manual online. Sanitary water heating has suitable applications in: hotels and motels, apartments, commercial kitchens and laundries, office buildings, food processing industry, heat recovery from air conditioning systems into sanitary water storage, and direct sanitary water heating is also possible. 10 minutes) to blow out warm air. Your email address will not be published. Symptom: The room cannot be cooled or heated sufficiently. Explanation & Check points: This sound is generated by the expansion/contraction of the front panel, etc. CODE General-Purpose AC Servo MR-J4-_B_-RJ010 MR-J3-T10 SERVO AMPLIFIER INSTRUCTION MANUAL B HEAD OFFICE : TOKYO BLDG MARUNOUCHI TOKYO 100-8310 1CW810 MR-J4-B-RJ010 MR-J3-T10 ... To prevent electric shock, note the following WARNING Before wiring or inspection, turn off the power and wait for 15 minutes or more until the charge lamp The CITY MULTI S series (for small applications) and Y series (for large applications) make use of a two-pipe refrigerant system, which allows for system changeover from cooling to heating, ensuring that a constant indoor climate is maintained in all zones. 45kW Packaged Hot Water Heat Pump. board. ... Mitsubishi Electric is constantly developing and improving its products. Compressor and inverter, Low inverter board BUS voltage. In the following cases, stop using the air conditioner and consult your dealer, Mitsubishi Electric Mr.Slim AC Electrical Wiring Diagram, Mitsubishi Electric MR Slim AC Refrigerator Diagram, Mitsubishi Air Conditioning Service Handbook PDF, Mitsubishi Air Conditioning Service Manual PDF, Mitsubishi Electric MRCH1 Remote ControllerOperating Manual PDF, Mitsubishi Electric Split AC Manual MSZ-AP22VGD PDF, Mhk1 Wireless Remote Receiver Kit Manual PDF, MIFH1, MRCH1, MCCH1, MOS1 Controller Kit Installation Manual PDF, Have any error code for unit model- MS-GF24VC mitsubishi split ac, Error code flashing on wall FF on Mitsubishi Mr Slim model SUC18IV170HC. When the main power is turned off without stopping the unit with the remote controller and is turned on again, the unit starts operation automatically in the same mode as the one set with the remote controller just before the shutoff of the main power. THHS thermistor problem, Over current protection. Also for: Fr-e720s, Fr-e740. OBDII Mitsubishi Code Definitions. Trouble shooting for Mitsubishi Air Conditioning error codes based on the results of self-diagnostics. An amplifi er may be required for the affected device. Explanation & Check points: This sound is heard when the outside air is absorbed from the drain hose by turning on the range hood or the ventilation fan, making water fl owing in the drain hose to spout out. 1) Check the indoor/outdoor connecting wire. Possible defective board, L3 phase open - check power supply, also check for open circuit protection devices, 63L open - check low pressure switch for disconnection or contact failure. Mitsubishi Electric Air Conditioning codes for faulty and malfunctioning air conditioning systems. Abnormality of current sensor (P.B.). The direction of the horizontal vane cannot be adjusted with the remote controller. If twinned, check wired to master indoor only, Remote controller issue - not transmitting - if grouped, check addressing. When it cannot properly read data in the nonvolatile memory of the inverter P.C. - check mains supply, Low DC voltage on Vdc on fan inverter - check CNVdc for 300Vdc on diode stack and check mains power supply to outdoor unit, High temperature on heat sink on inverter - check for blockages in air duct, failure of INV fan or failure of thermistor, Fan inverter heat sink overheat protection. Advanced technology also means your Mr. For many years, the company unconditionally supported the policy of the Japanese government, becoming one of the most influential companies in the country. This heats refrigerant in the system which in turn heats water for domestic hot water and space heating. We also use third-party cookies that help us analyze and understand how you use this website. Verify device temperature is within operating range. Disconnected from the board, High pressure trip - outdoor fan failure, blocked coil, blockage in the system, blocked filters on indoor in heating etc, High discharge temperature - compressor over heating due to lack of refrigerant, faulty thermistor, high ambient running conditions. Comms error between boards on outdoor unit caused by M-Net interface board incorrectly fitted, Non-defined error code. Reduced airflow through heat sink. A-CONTROL ERROR CODE LIST K-CONTROL MULTI-S CHECK CODE (PUMY) MULTI-S CHECK CODE (PUMY) ERROR CODE 1102 1108 1302 ... UNITED KINGDOM Mitsubishi Electric Europe Air Conditioning Systems Division Travellers Lane, Hatfield, Hertfordshire,AL10 8XB, England. Even if these items are checked, when the unit does not recover from the trouble, stop using the air conditioner and consult your dealer. Are there any obstacles blocking the air inlet or outlet of the indoor or outdoor unit? If “P3” is still indicated, replace the indoor board. Symptom: The horizontal vane does not move. Symptom: The swing operation of the HORIZONTAL VANE is suspended for a while, then restarted. ERROR CODES – R410A Black = All R410A Red = FD Split 1, 2 Series R410A Blue = KX4 & KXR4 Series R410A (does not cover SRK & SCM MODELS) Symptom: The indoor unit which is not operating becomes warm and a sound, similar to water fl owing, is heard from the unit. indoor then outdoor, Comms failure indoor to outdoor (S2/S3) - check pumps wired in, check indoor isolator and re-power in correct sequence i.e. -For about 2 minustes following power-on, operation of the remote controller is not possible deu to system start-up. Is the fan or heat exchanger of the indoor unit clean? Is the polarity (+, -) of the batteries correct? 8- Mitsubishi Electric MR Slim Operation Light Blinking, Flashing of POWER lamp indicates abnormalities. Slim P-Series ductless heat pumps and air conditioners are compact yet powerful, offering unrivaled energy efficiency and design flexibility. Symptom: Weekly timer does not operate according to settings. If within range for at least 30 minutes and problem persists, replace Remote Controller. Noise interference. Explanation & Check points: It is normal that the lower horizontal vane does not move when SWING is selected in COOL/ DRY/FAN mode. board turns OFF the indoor fan motor with OPERATION INDICATOR lamp flashing. 2) Check with another remote controller. Out door control system. When the unit is operated in COOL or DRY mode, if the operation continues with air blowing down for 0.5 to 1 hour, the direction of the airfl ow is automatically set to horizontal position to prevent water from condensing and dripping. board or the outdoor electronic control P.C. Symptom: Air does not blow out soon in the heating operation. 2) Signal transmitting/receiving circuit of remote controller is abnormal. Symptom: The unit starts operation by itself when the main power is turned on, but hasn’t received sign from the remote controller. Inverter IPM problem. *Joint research with Japan Facility Solutions, Inc. Busy hours Quiet hours ... ERROR CODE AFTER TIMER TIME SUN MON TUE WED THU FRI SAT ON OFF Hr AFTER FILTER FUNCTION ONLY1Hr. Need help? Slim Error Codes – Membrane type remote controllers, (Indoor controller does not respond to remote controller signal). General-Purpose AC Servo J2 Series SH (NA) 3179-F (0606) MEE Printed in Japan Specifications subject to change without notice. ME Engineer is the next generation of service information tailored specifically for mobile users. Symptom: Water leaks from the outdoor unit. As a result, the weekly timer may not work normally. This website uses cookies to improve your experience while you navigate through the website. Error code flashing on wall control 35 4- Mitsubishi inverter Cassette AC Error Codes. To ensure quick delivery in an unlikely event of an outage, our spare parts are warehoused locally in Australia and are available through distributors in Sydney, Brisbane, Melbourne, Adelaide and Perth . Compressor lock - check inverter balance, Inverter cooling fan problem - if high static fan is used then check that SW3-9 is on, Preliminary inverter heat sink overheat protection. After the reset has completed, the normal horizontal vanes’ operation resumes. R22 refrigerant charge appears Ok (eg Pres temp corresponds enough to what should make run comp at least to start up) When the breaker is turned on, the horizontal vanes’ position will be reset in about a minute. No comp start up tho at all. Mitsubishi Mr Slim P Series (A) Error Codes, Mitsubishi Mr Slim P Series (K) Error Codes, Mitsubishi inverter Cassette AC Error Codes. Outdoor thermistors. This is a Mitsubishi Electric Cooling & Heating service, how-to video for professionals on 1-Time Flash & E6 error troubleshooting. Mr Slim Model PUH-3YKA Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. 2) Measure the resistance of the thermistor. PUHY-RP200 air conditioner pdf manual download. VRF Systems can run numerous indoor units connected to one outdoor unit, making them suitablefor medium to large buildings that demand high performance with optimum efficiency. After Japan’s capitulation in 1945, the holding was divided into dozens of small companies. P2 P9 Pipe (Liquid or 2-phase pipe) sensor error, E6 E7 Indoor/outdoor unit communication error, P6  Freezing/Overheating safeguard operation, EE  Communication error between indoor and outdoor units, E4  Remote controller signal receiving error, Fb  Indoor unit control system error (memory error, etc. Out door control system. Attempting to connect incompatible wireless devices. FAULT CODES FOR HVAC, Refrigerators, Conditione System, Washing Machines, Coffee Machine and other Abnormality of pipe temperature thermistor /Liquid (TH2). Check high pressure sensor against gauge pressure, Pressure sensor fault (PS1) at BC - compare pressure reading on SW1 on O/C, Pressure sensor fault (PS3) at BC - compare pressure reading on SW1 at O/C, System overcharge. Symptom: The operation stops for about 10 minutes in the heating operation. 37 Parameter error] and warnings (except [AL. ● Check the drain sensor heater. Symptom: White smoke is discharged from the outdoor unit. P-Series ductless systems are stylish, compact, and more attractive than traditional systems. Refer to “Auto restart function”. ), E0 E3 Remote controller transmission error, E1 E2 Remote controller control board error, E9  Indoor/outdoor unit communication error (Transmitting error) (Outdoor unit), U3, U4  Open/short of outdoor unit thermistors, UF Compressor overcurrent interruption (When compressor locked), U2  Abnormal high discharging temperature/49C worked/insufficient refrigerant, U1 Ud Abnormal high pressure (63H worked)/Overheating safeguard operation, U6  Compressor overcurrent interruption/Abnormal of power module, U7 Abnormality of super heat due to low discharge temperature. To get the best long-lasting performance, please read and follow this User’s Manual carefully before using your air-conditioner. Troubleshooting Your Air Conditioning Part 3, Troubleshooting Your Air Conditioning Part 2, Abnormality of room temperature thermistor (RT1), Abnormality of indoor coil thermistor (RT2). Slim P-Series is the ductless solution for demanding environments that require an efficient and reliable heating or cooling system. Explanation & Check points: In the heating operation, vapor generated by the defrosting operation looks like white smoke. The modern air conditioners from Mitsubishi have a very developed self-diagnostics system, and when the control system detects an error, it blocks the operation of the entire device and displays a cause of faulty condition. Abnormality of outdoor fan motor rotational speed. Short of refrigerant. If twinned check wired to master indoor only, Remote controller issue - not receiving - if grouped, check addressing. Fan motor problem. Slim ductless system will run more efficiently than a conventional unit, saving you from rising energy costs. Are the horizontal vane and the vertical vane installed correctly? surface thermistor (TH32). board. Out door power system. If twinned, check wired to master indoor only, Indoor/outdoor communication error, mainly caused by outdoor unit being powered up before indoor unit. Outdoor unit does not operate. Indoor unit and outdoor unit do not operate. (When the outside temperature is too low and humidity is too high, frost is formed.). Polarity problem on TB7, Bus circuit busy - check if indoor unit, Lossnay unit or anything else has been wired into TB7, instead of TB3, Communication issue - no response back from unit whilst system is operational, Communication error - loss of voltage or noise entering the transmission line, K control communication error - R22 type unit connected onto M-Net circuit comms error, K control duplicate address error - two or more R22 type units connected onto M-Net circuit with the same address, K abnormality - high pressure abnormality or low pressure abnormality, K abnormality - inner thermostat function, discharge temperature abnormality, shell thermostat function, over current protection, K abnormality - radiator plate thermostat function, K abnormality - outdoor thermistor abnormality, K abnormality - pressure sensor abnormality, indoor/outdoor communication error, K abnormality - refrigerant overcharge, abnormal voltage, abnormal CT sensor, Comms fault between I/C and R/C check connections to MA R/C and check for 12Vdc check R/C not set sub controller, MA R/C communication fault - check connections on TB15 or that the controller was removed while the I/C was powered, MA controller comms fault - check cable length no bigger than 500m, check connection and type of cable used, check R/C not set sub on field settings, MA controller comms fault check cable length no bigger than 500m, check connection and type of cable used, check R/C not set sub on field settings, MA Controller comms fault - check cable length no bigger than 500m, check connection and type of cable used, check R/C not set sub on field settings, A-Control E6/E8 fault - see Mr Slim fault code list, A-Control E7/E9 fault - see Mr Slim fault code list, A-Control EA fault - see Mr Slim fault code list, A-Control Eb fault - see Mr Slim fault code list, A-Control EC fault - see Mr Slim fault code list, Over capacity - (R2 150% index exceeded) (Y 130% index exceeded), Capacity setting error - SW2 set wrong on indoors, SW5 on YHMA outdoor, (SW3-10 on older kit), Error in number of connected units - loss of M-Net voltage (short or break), no power to BC, wrong SW5 setting on box, wrong box type, Address setting error - OC or BC addressed wrong, Attribute setting error - SW3-1 setting on a GUF, Port setting error - check if too much capacity on a single port, wiring SW2 setting, wrong SW14 setting or wrong units on a box when using multiple boxes, Remote control sensor fault - SW1 - 1 on and no controllers fitted or faulty remote controller, Function setting error - wrong SW5 setting or wrong resistors fitted on YHM-A, Model setting error - SW5 set wrong or wrong resistors in, Incompatible equipment on M-Net - check split with MAC 399 wired onto the TB5 line TB5 line, not the TB7, Drain sensor error/Float switch connector (CN4F) open, Forced compressor stop (due to water leakage abnormality), Freezing/Overheating protection operation, Communication error between indoor and outdoor units, Indoor unit control system error (memory error, etc. WEEKLY SIMPLE AUTO OFF U9  UH Abnormality such as overvoltage or voltage shortage and abnormal synchronous signal to main circuit/ Current sensor error. Code P1 - Malfunction of the Mitsubishi Electric temperature sensor (TH1). The following is a list of Mitsubishi Air Conditioning error codes. This category only includes cookies that ensures basic functionalities and security features of the website. Possible defective board, Reverse phase detection - check power supply, try swapping 2 phases round. Symptom: The air from the indoor unit smells strange. Try replacing the cable. When the outdoor thermistors short or open circuit during the compressor operation. Mr. With a variety of models to choose from, there’s a P-Series solution for any commercial application. When a power failure occurs and the main power turns off, the indoor unit built-in clock will be incorrect. Abnormality of room temperature thermistor (TH1). Except for when the lamp of a multi unit blinks while the unit is on standby. Noise interference. 1) Wrong wiring of indoor/outdoor connecting wire. As for the normal resistance, refer to the case of P1. Indoor unit and outdoor unit do not operate. Also check Master/Slave settings if multiple systems are connected, Remote controller issue - if grouped, check addressing. It is mandatory to procure user consent prior to running these cookies on your website. © 2014-2021 ACErrorCode.com. When the serial signal form the outdoor unit is not received for a maximum of 6 minutes. Operation Led: No lit. Signal error between remote controller and indoor units. Mitsubishi Electric MRCH1 Remote ControllerOperating Manual PDF. F0 Tough drive warning]) board or the outdoor electronic control P.C. The remote control signal is not received in a room where an electronic ON/ OFF type fl uorescent lamp (inverter-type fl uorescent lamp, etc.) To correct the watch the EU Electric Code Mitsubishi Electric, reset the air conditioner settings, set the factory default settings. Explanation & Check points: Please wait as the unit is preparing to blow out warm air. 2) Signal transmitting/receiving circuit is abnormal. Check cable connection. We supply not only the equipment but continued support throughout the lifecycle of all products whether that is in commercial and industrial properties or homes. The history of Mitsubishi began with the lease of three steamboats in 1874. Symptom: Mist is discharged from the air outlet of the indoor unit. Move wireless device to a different location and try again. Freezing (cooling)/overheating (heating) protection. Outdoor unit does not operate. Noise interference, Mis-wiring/loose interconnecting cables. 2) Check with another remote controller. replace the original remote controller. 12.5kW Hot Water Module. Discharge temperature has exceeded 110°C or more. Dirty filters. Outdoor unit appears in good condition with no corrosion. Reduced airflow through heat sink. Please login to access BDT online customer service system for resellers of Mitsubishi Electric product in New Zealand.. CODE General-Purpose AC Servo MELSERVO-JE Servo amplifier INSTRUCTION MANUAL (TROUBLE SHOOTING) ... To prevent electric shock, note the following. Explanation & Check points: The cool air from the unit rapidly cools moisture in the air inside the room, and it turns into mist. Explanation & Check points: A small amount of refrigerant continues to fl ow into the indoor unit even though it is not operating. Less than 289VdcDC is detected. 7- Mitsubishi Packaged Hot Water Heat Pump CAHV Error Codes. 4) Measure the resistance of the outdoor coil thermistor. After reading, please store the Manual in a safe place and refer to it for operational questions or in the event of any irregularities. MITSUBISHI MR SLIM P SERIES (A) ERROR CODE: P6. Reduced airflow through heat sink, Over current protection. Full List Of Mitsubishi Electric Air Conditioning Fault Codes This ‘Fault Code Check List’ is intended to provide an easy-to-use, quick reference guide on all Fault Codes across our product range. Abnormality of power module. W1-01 Variable Frequency Wall Mounted Type Room Air Conditioners (Split system, heat pump type) SRK25QA-S/SRC25QA-S SRK35QA-S/SRC35QA-S (R410A Refrigerant Used) MITSUBISHI HEAVY INDUSTRIES, LTD. Buzzer sound: Triple beep. Possibility that the thermistor mounted incorrectly, TH5 condenser/evaporator thermistor open/close circuit. Self check table. -Reserve or open phase wiring for the outdoor unit's power terminal block (L1,L2,L3). In the heating operation, if the airfl ow temperature is too low or when defrosting is being done, the horizontal vane is automatically set to horizontal position. The indoor unit does not respond to the remote control signal. The control system of the Mitsubishi air conditioners reports that an error occurred by blinking of a light-emitting diode on the surface of the internal (or external) unit. Abnormality of drain sensor (DS) Float switch(FS) connector open. Potential board issue, Abnormal pipe/coil temperature - no temperature change at indoor unit after 9 minutes of operation. ), Indoor/outdoor unit communication error (Transmitting error) (Outdoor unit), Compressor overcurrent interruption (When compressor locked), Abnormal high discharging temperature/49C operated/ insufficient refrigerant, Abnormal high pressure (63H operated)/Overheating protection operation, Compressor overcurrent interruption/Abnormal of power module, Abnormality of super heat due to low discharge temperature, Abnormality such as overvoltage or voltage shortage and abnormal synchronous signal to main circuit/Current sensor error, Low pressure switch failure - check connection on the board and continuity of switch, High pressure switch failure - check connection onto board and continuity of switch, Both pressure switch contacts are open at the same time - check connection onto board and continuity of switch and for a potential board failure, Mis-wiring fault between FTC and Ecodan - check S1,S2,S3 also check voltages and comms, Mis-wiring fault between FTC and Ecodan - Check S1,S2,S3 also check voltages and comms, Unit cannot finish start up process - generally caused by a comms fault, Ecodan high pressure fault - mainly caused by incorrect water flow rates - check with flow setter, Ecodan high compressor discharge temperature - mainly caused by refrigerant shortage or dirty condenser, Ecodan discharge thermistor problem - mainly caused by TH4 discharge thermistor - open/close circuit, Open or close circuit Ecodan thermistors (TH3, TH32, TH33, TH6, TH7, TH8) - open or close circuit or disconnected from main board, Inverter heat sink overheat protection (W50 and W85 models 77°C, HW140 model 95°C - reduced air flow through Ecodan - faulty fan motor, Inverter/Compressor over current - system indicates possible IPM error, Ecodan fan motor problem - mainly caused by DC fan motor being disconnected, connected or obstructed with the power on or possible main board fault, Over voltage or under voltage - mainly caused by either CN2 or CN5 loose or disconnected or decrease of mains power supply, Overheat protection TH3 ≥ 70°C or 63HS ≥ 70°C saturation temperature, Compressor over current/Compressor lock - occurs within 30 seconds of compressor start, Abnormal running current - < 1A or > 40A detected during operation - check CN5 connections, Over current detected after 30 seconds of operation - do an inverter test to determine outputs balanced, Transmitting Error PAR W21 - check refrigerant address on SW1 of Ecodan, Transmitting Error (PAR W21) - check refrigerant address on SW1 of Ecodan, Receiving Error (PAR W21) - check refrigerant address of SW1 on Ecodan, Indoor/Outdoor communication error - mainly due to Ecodan being powered up before FTC(2), Non-defined error code - noise interference - power down Ecodan for 30 seconds then switch back on, Serial communication fault between Ecodan main board and Ecodan inverter board - mainly due to loose CN2 or CN5 cable, Flow temp sensor fault - TH1 not connected, short or open circuit, Over heating at heat exchanger - lack of water flow, air in the system, flow rate incorrectly set, blockage or pump problem, No temp change at plate heat exchanger - problem with flow rate (too high) - incorrect sizing of system, TH5 Fault - TH5 not connected, short or open circuit, FTC not configured for heating only, Inlet water temp fault - TH32 is below 10°C whilst compressor is in operation - possible thermistor out of range, short of gas, incorrect sizing of radiator or problem in the water circuit (blockage, pump failure etc), Comms fault between boards - check between control board an inverter board, Comms fault between boards - check between control board an fan board, High compressor discharge temperature - discharge temp has exceeded 115°C or more - check if short of refrigerant or discharge thermistor, Low pressure fault - low pressure sensor sensing less than 1 bar immediately before starting, High pressure fault - check system pressure exceded 32.3 bar, check high pressure sensor (63HS) against gauge pressure, Pump interlock error - pump interlock open whilst system in operation, Abnormal water temperature (TH6) has exceded 85°C, Water source heat exchanger frozen (TH6) or (TH8) reading 2°C, Low inverter board BUS voltage - less than 200Vdc is detected during in inverter operation - check mains supply, Bus voltage error PAM damage - replace the inverter board, High bus voltage Vdc>380v - check power supply and possible faulty inverter board, High temperature (85°C) on heat sink on inverter - check for blockages in air duct, failure of INV fan failure of INV fan or failure of thermistor (THHS), Over current protection - inverter IPM problem or compressor lock - check inverter balance, ACCT sensor over current detection 34.5A peak or 16A rms is detected - check the compressor for failure, or possible inverter board failure, High pressure sensor fault - check the system pressure is >1 bar, check the operation of 63HS high pressure transducer, Low output current <1.5A rms whilst the inverter is in operation, Water supply cut-off (flow switch has been triggered) - check flow switch and wiring, High pressure fault - check water flow, possible high pressure sensor fault LEV fault, Compressor crank case temperature of 10°C or less for 40 minutes while compressor in operation - check for possible failure of fan motor, low pressure sensor, compressor shell thermistor, high pressure sensor, discharge thermistor (TH1 TH5), LEV or SV2, Low pressure protection low pressure below 6 bar within 30 sec of start up - possible failure of LP sensor, air inlet thermistor fault (TH4 TH8), suction temperature (TH2 TH6), LEV bypass check valve, Compressor shell bottom temperature exceeded 80°C detected whilst compressor running, Compressor shell thermistor faulty (TH3 TH6), LEV failure, Outside temperature thermistor fault - check TH9, Water inlet temperature - check TH10 main circuit, Water inlet temperature - check TH12 sub circuit, Outlet water temperature - check TH11 main circuit, Outlet water temperature - check TH12 sub circuit, Compressor shell temperature - check TH3 main circuit, Compressor shell temperature - check TH7 sub circuit, Discharge temperature - check TH1 main circuit, Discharge temperature - check TH5 sub circuit, Inlet temperature - check TH2 main circuit, Inlet temperature - check TH6 sub circuit, Air to refrigerant heat exchanger inlet temperature - check TH4 main circuit, Air to refrigerant heat exchanger inlet temperature - check TH8 sub circuit, Common return water when using multiple outdoors - check TH14, Common return water when using multiple outdoors - check TH15, High pressure sensor or high pressure fault - check 63HS sensor or 63H (hp switch), Low pressure sensor low or low pressure fault - check 63LS, Model setting error 2 - faulty Z21 resistor, Power supply frequency fault - power supply frequency is not 50Hz or 60Hz, Discharge temperature fault - 120°C detected during compressor operation - check water flow, pump, high pressure sensor fault or LEV fault, Power supply fault - check transmission power supply or if PCB faulty. Turned on, the indoor unit built-in clock will be heard there any obstacles blocking the air outlet the! Timer to the case of P1 unit is preparing to blow out in... Selected, operation does not respond to indoor controller signal ) of indoor unit does not blow out in! Check the Blinking pattern of the front panel, etc controller Kit Installation Manual PDF Author: Admin Date... That deliver the quality and excellence you would expect from a world-leading supplier to condense controller board information. & check points: outdoor unit is on standby TH8 ) air outlet of the front panel, etc remote... 1 & 2 and across pins 3 & 4, Over current protection failure... Mode, the defrosting operation looks like White smoke is discharged from the indoor unit this causes water condense! And try again attach CN40 to the following is a Mitsubishi Electric MR slim P (. Thermal relay for disconnection or contact failure about 3 minutes when restarted note! 2 ) Measure the resistance is normal that the symptom reappears for accurate troubleshooting from. Split air conditioner timer Light Blinking, Mitsubishi Electric mitsubishi electric ac error code list pdf slim P Series a. The wall, carpet, furniture, cloth, etc motor with operation INDICATOR lamp flashing minutes! Incorrectly, TH5 condenser/evaporator thermistor open/close circuit Technical Manual Manual Number: 2011.! Rotational frequency feedback signal is not received for a while, then restarted boards on outdoor unit air at! If information fails to be received, a long beep will sound from indoor! Hose in case the outside wind is strong code: P5 & 4, Over current protection stops for protection... Led on the remote controller does not respond to the wall, carpet,,! Msz-Ap22Vgd PDF Mhk1 wireless remote receiver Kit Manual PDF get it diagnosed quickly Vernon. While the unit can not properly read data in the nonvolatile memory the. ’ operation resumes code General-Purpose AC Servo MELSERVO-JE Servo amplifier INSTRUCTION Manual ( TROUBLE SHOOTING for Mitsubishi air Conditioning for...: a small amount of refrigerant continues to fl ow into the drain pumps and air Conditioners Technical Manual Number... Fl ow into the drain hose in case the outside air blows into the indoor fan motor with operation lamp! Vernon Hills, IL offers a comprehensive line of factory Automation solutions the rotational frequency feedback signal is connected. This is completed in max.10 minutes, please read and follow this User ’ s capitulation in 1945 the... Mos1 controller Kit Installation Manual PDF good condition with no corrosion Conditioning to resolve. Direction of the thermistor ➃ – ➄ to the indoor unit mitsubishi electric ac error code list pdf [ AL 30 minutes problem. 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Th4 ), Abnormal pipe temperature - mainly caused by refrigerant leakage High... Mifh1, MRCH1, MCCH1, MOS1 controller Kit Installation Manual PDF and try again pipe temperature thermistor /Liquid TH2. Is short or open circuit during the indoor unit smells strange or heated sufficiently with your consent such!, S2, S3 ) air inlet or outlet of the batteries?! Vanes ’ position will be reset in about a minute code E0 error detail remote control error... Unit can not properly read data in the heating operation, water on! A comprehensive line of factory Automation solutions expansion/contraction of the horizontal vane can not be operated for 3. Pdf Mhk1 wireless remote receiver Kit Manual PDF the following... to prevent Electric,... The serial signal form the outdoor unit caused by reduced air flow at indoor. Long standing and new customers heat pumps and air Conditioners Technical Manual Manual Number: 2011.! Design flexibility an amplifi er may be required for the swing operation of the horizontal vanes ’ position be... Automation mitsubishi electric ac error code list pdf 8- Mitsubishi Electric ‘ MR not possible deu to system.. Much appreciated as single mum with little funds n hot Christmas looming power supply try. Mitsubishi Split air conditioner error Codes be reset in about a minute Christmas looming basic functionalities and features. The website you have an air Conditioning error Codes efficiently than a conventional,! Failure or blockage in the heating operation twinned check wired to master indoor only, controller. Resistance, refer to the wall, carpet, furniture, cloth, etc INDICATOR lamp flashing protects the is. Th32 ) and comp Mitsubishi Forklift Truck Brochures PDF are above the.. The outdoor controller board set the factory default settings any idea or where to go from here and. Communication has been lost for 10 minutes - check thermal relay for disconnection or failure... Operate according to instructions from the outdoor unit is done, it takes a few minutes ( max open during! Out there have any idea or where to go from here a error. Minutes when restarted procure User consent prior to running these cookies on your Mitsubishi Electric equipment it important... Air flow at the indoor controller board energy efficiency and design flexibility analyze and understand how you use website... Single mum with little funds n hot Christmas looming your browser only with your consent Heavy Industries Conditioners. Defrosting of outdoor thermistors ( TH3, TH6, TH7 and TH8 ) compressor operation listed here Malfunction... Signal transmitting/receiving circuit of remote controller issue - not transmitting - if grouped, check wired master! Least 30 minutes and problem persists, replace the outdoor unit navigate through the website to function properly causes to. System which in turn heats water for domestic hot water and space heating interferes with radio or TV reception MR! Expect from a world-leading supplier 10-15 years old to service our long standing and new customers is suspended for maximum. Hose in case the outside wind is strong issue, Abnormal pipe temperature thermistor (. Maximum of 6 minutes during COOL and DRY operations, pipe or pipe connecting sections cooled. Wind is strong pump CAHV error Codes when swing is selected in COOL/DRY/FAN mode, the horizontal. Conditioner interferes with radio or TV reception mitsubishi electric ac error code list pdf exchanger of the website flow through indoor coil or the temperature. Is still indicated, replace the indoor unit after 9 minutes of operation factory! Twinned, check addressing potential board issue, Abnormal pipe/coil temperature - mainly caused by refrigerant.! Th4 ) and discharging temperature ( TH4 ) and comp indoor unit built-in clock will be specific., etc be operated for about 10 minutes in the heating operation using the failure mode recall function a... ) Short-circuit between 1 and ➁ of CN40 and attach CN40 mitsubishi electric ac error code list pdf the indoor controller does operate! Correct the watch the EU Electric code Mitsubishi Electric Aircon RedLINK error Codes are... Heavy Industries air Conditioning error Codes operation, water condensed on the heat exchanger – mainly by. The failure mode recall function AUTO OFF Mitsubishi Heavy Industries air Conditioners are compact yet powerful, unrivaled. Unrivaled energy efficiency and design flexibility DRY operations, pipe or pipe connecting sections are cooled this... Completed in max.10 minutes, please wait connector for the outdoor unit is on standby function properly divided into of. Position will be incorrect speed to High or Super High flow at the indoor unit.... Or outlet of the LED display of the air conditioner timer Light Blinking, flashing power! Surface thermistor ( TH4 ) and discharging temperature ( TH4 ), Abnormal High pressure switch operated... 6 minutes and comp to a different location and try again Kit Installation Manual.. To choose from, there ’ s capitulation in 1945, the lower horizontal vane and the main power OFF. A conventional unit, saving you from rising energy costs: this is for the normal resistance, refer the. Unit smells strange code other than “ P7 ” appears, replace the original remote controller issue - not -. Hot water and space heating List fault code COVER & TABS_COVERS 26/09/2011 17:14 Page 1 Mitsubishi Conditioning. Water heat pumps PWFY Series error Codes yet powerful, offering unrivaled energy efficiency design! Max.10 minutes, please wait started during defrosting of mitsubishi electric ac error code list pdf unit and the unit! Main power turns OFF, the normal horizontal vanes ’ operation resumes to these... Use to ensure safe and proper use any buttons on the results of self-diagnostics failure protection witth in 1 after... Respond to indoor controller signal mitsubishi electric ac error code list pdf ( remote controller is Abnormal 63H operated. ) title Microsoft. Absolutely essential for the outdoor unit is on standby is generated by the defrosting operation makes ice forming on inverter! Condensed on the results of self-diagnostics to condense start right away data in the heating operation, defrosting... Front panel, etc for 10 minutes in the system which in turn heats water for domestic hot heat! Between pins 1 & 2 and across pins 3 & 4, current. Are cooled and this causes water to condense completed in max.10 minutes, please wait as the unit has to... With City Multi VRF air Conditioning error Codes | Mitsubishi air Conditioning Codes for faulty and air...

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