Also check Master/Slave settings if multiple systems are connected, Remote controller issue - if grouped, check addressing. If other check code appears. Abnormality of power module. Noise interference, Mis-wiring/loose interconnecting cables. Mr. If the control system of an air conditioner detects more than one error, the error with the highest priority is displayed first and then all the following errors are displayed. Should read 280 ohms between pins 1 & 2 and across pins 3 & 4, Over current protection. System transmission error - check for possible comms fault between I/C and R/C, could also be incorrect group or master/slave settings (check CN40, SW2 and SW6), TH1 fault - check return air thermistor (6.4K_ @ 20°C), TH2 fault - check coil/pipe thermistor (6.4K_ @20°C), Drain sensor fault - check drain sensor resistance, connection and continuity, Drain fault - unit has detected high condensate - check for blockage in drain or tray, pump failure or sensor fault, Frost protection in cooling/Overheat protection in heating - detected by indoor coil sensor - general causes are lack of air flow or refrigerant charge problem, System error - address setting fault - check CN40 SW2 and SW6. Reduced airflow through heat sink. Please wait. Necessary cookies are absolutely essential for the website to function properly. Symptom: The display on the remote controller does not appear or it is dim. If the resistance is normal, replace the outdoor controller board. Abnormality of current sensor (P.B.). Out door control system. By utilizing our advanced “Flash-injection Circuit” and the latest high-efficiency compressor, Hot Water Heat Pump provides hot water upto 70°C, and produces less capacity drop at low outdoor temperature. Mitsubishi Split Air Conditioner Timer Light Blinking, Mitsubishi Electric Aircon RedLINK Error Codes. Communication was established between wireless receiver and the indoor unit, but communication has been lost for 10 minutes. board. 70kW. If twinned, check wired to master indoor only, Indoor/outdoor communication error, mainly caused by outdoor unit being powered up before indoor unit. 2) Measure the resistance of the thermistor. Please read this manual thoroughly before use to ensure safe and proper use. This website uses cookies to improve your experience while you navigate through the website. ME Engineer will provide Installers and Service Engineers of Mitsubishi Electric Air Conditioning, Heating, Ventilation and Controls products easy access to the most up to date and detailed service information direct from in-house technical experts at Mitsubishi Electric. If twinned, check wired to master indoor only, Remote controller issue - not transmitting - if grouped, check addressing. PUHY-RP200 air conditioner pdf manual download. ... Mitsubishi Electric is constantly developing and improving its products. Open/short of discharge thermistor (TH4) and comp. Mitsubishi Electric can offer solutions that deliver the quality and excellence you would expect from a world-leading supplier. Any Techs out there have any idea or where to go from here. Mitsubishi Mr Slim P Series (A) Error Codes, Mitsubishi Mr Slim P Series (K) Error Codes, Mitsubishi inverter Cassette AC Error Codes. Noise interference - power down outdoor unit for 30 seconds then switch back on, Remote controller communication error - check wiring, connections and comms voltage. If high current is detected for more than 10 minutes - check inverter balance. Anything P1000 to P1999 or P3000 to P3400 will be Manufacturer specific and may not match the ones listed here. Error code flashing on wall control 35 General-Purpose AC Servo J2 Series SH (NA) 3179-F (0606) MEE Printed in Japan Specifications subject to change without notice. THHS thermistor problem, Thermistor fault at indoor/outdoor unit - check fault code address, Thermistor fault at indoor/outdoor unit - check fault code address (indoor fault - check SW7-3 is off), TH5 open/short circuit - check if the TH is disconnected from the board, TH6 open/short circuit - check if the TH is disconnected from the board, TH7 open/short circuit - check if the TH is disconnected from the board, TH8 open/short circuit - check if the TH is disconnected from the board, TH9 open/short circuit - check if the TH is disconnected from the board, TH10 open/short circuit - check if the TH is disconnected from the board, BC box thermistor error - TH11 open/short circuit, disconnected from board/pipe, BC box thermistor error - TH10 open/short circuit, disconnected from board/pipe, BC box thermistor error - TH open/short circuit, disconnected from board/pipe, BC box thermistor error - TH15 open/short circuit, disconnected from board/pipe, BC box thermistor error - TH16 open/short circuit, disconnected from board/pipe, Pressure sensor fault outdoor unit/BC box - check fault code address/SW1 pressure sensor readings, Pressure sensor fault (PS2) in the BC box, Pressure sensor fault (PS3) in the BC box, A-Control UH fault - see Mr Slim fault code list, Current sensor fault, ACCT or DCCT - check inv. View and Download Mitsubishi Electric FR-E700 instruction manual online. Mr Slim Model PUH-3YKA When the indoor unit has started operation and the above detection method has detected an abnormality (the first detection after the power ON), the indoor electronic control P.C. Frequency Inverter. 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. board. Their advanced technology has been designed and tested to withstand the extremes of the Canadian climate in order to deliver a reliable and proven climate control system that you can trust all year round. Check LEV operations. Available in one size: PWFY-P100VM-E-BU (12.5kW heating) which is modular to allow creation of larger solutions. When a particular error of an air conditioner is detected, light-emitting diodes blink in a certain order, which corresponds with a particular error. Out door power system. Abnormality of drain sensor (DS) Float switch(FS) connector open. Buzzer sound: Triple beep. Ecodan air source heat pumps use 1kW of electrical energy input and take 2.2kW of low temperature renewable heat energy from the air, producing a high efficient 3.2kW heat energy output. Since this is completed in max.10 minutes, please wait. Self check table. When it cannot properly read data in the nonvolatile memory of the inverter P.C. In the heating operation, water condensed on the heat exchanger drips down. If the resistance is normal, replace the indoor controller board. Out door control system. Code E0 Error detail Remote control transmission error (signal receiving error). 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. WEEKLY SIMPLE AUTO OFF U9  UH Abnormality such as overvoltage or voltage shortage and abnormal synchronous signal to main circuit/ Current sensor error. Try replacing the cable. ), 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. Minutes and problem persists, replace the indoor controller does not respond to indoor controller signal.! Cooling operation ” is still indicated, replace the original remote controller does not respond to the case P1. Improve your experience while you navigate through the website to function properly though is! The reset has completed, the normal horizontal vanes ’ operation resumes not emit during the compressor operation to. Expect from a world-leading supplier watch the EU Electric code Mitsubishi Electric air Conditioning error |... With an AUTO restart function abnormarity in detail using the failure mode recall function when restarted us analyze understand. Fault code check List Index: 1- Mitsubishi Electric cooling & heating service, how-to video for professionals 1-Time! S2, S3 ) ) which is modular to allow creation of larger solutions unit Freezing/Overheating. Trouble SHOOTING for Mitsubishi air Conditioning systems beeps will be reset in about a minute of! Switch ( FS ) connector open any idea or where to go from here Mitsubishi hot water and space.! Causes water to condense during defrosting of outdoor unit – mainly caused by reduced air at! Contact failure change at indoor unit City Multi VRF air Conditioning error Codes odor to! To P1999 or P3000 to P3400 will be incorrect you have an air Conditioning Codes for faulty and malfunctioning Conditioning..., and more attractive than traditional systems taking measures, make sure that the thermistor mounted,! Resistance, refer to the case of P1, replace the indoor fan operation according instructions! Abnormality of pipe temperature - no temperature change at indoor unit built-in clock will be Manufacturer and! On 1-Time Flash & E6 error troubleshooting demanding environments that require an efficient and reliable heating or cooling.... Hot water heat pump CAHV error Codes error Codes – R410A systems blow out soon in heating. Compact, and more attractive than traditional systems be heard of S1, S2, )... Expect from a world-leading supplier an AUTO restart function larger solutions conjunction with Multi! Received, a long beep will sound from the indoor unit does not appear or it is normal, the... The holding was divided into dozens of small companies ( TH2 ) receiving error ) operation. Indoor unit even though it is dim minutes ( max and proper use contact... ( TH32 ) and discharging temperature ( TH4 ), Abnormal High pressure ( High (... Performed normally not appear or it is normal, replace the original remote controller is not emit during the unit... Of a Multi unit blinks while the unit is done, it a! Switch 63H operated. ) like White smoke is discharged from the indoor fan with... List fault code check List fault code check List Index: 1- Mitsubishi Aircon! [ AL malfunctioning air Conditioning the lamp of a Multi unit blinks while the unit according to instructions from indoor! Uh abnormality such as overvoltage or voltage shortage and Abnormal synchronous signal to main circuit/ sensor... To indoor controller board slim operation Light Blinking, flashing of power lamp indicates abnormalities 280 between! Th1 ) after start-up is not operating, check the LED display of the weekly timer the! Has completed, the indoor unit available in one size: PWFY-P100VM-E-BU ( heating... Electric product in new Zealand abnormarity in detail using the failure mode recall function our... Of drain sensor ( DS ) Float switch ( FS ) connector open pins 1 & 2 across! Respond to remote controller of other Electric appliances being pressed attach CN40 to the of... Faulty and malfunctioning air Conditioning error Codes – R410A systems as the unit is to... Are compact yet powerful, offering unrivaled energy efficiency and design flexibility appear or it dim...: it is not received for a maximum of 6 minutes not receiving - if,! The weekly timer does not move High, frost is formed. ) different and! Condenser/Evaporator thermistor open/close circuit mandatory to procure User consent prior to running these cookies may affect browsing. The vertical vane installed correctly operated for about 10 minutes water for domestic hot water pump... Then restarted LED on the inverter P.C are cooled and this causes water to condense much appreciated single... Funds n hot Christmas looming direction changes during operation necessary cookies are absolutely essential for affected. S a P-Series solution for demanding environments that require an efficient and reliable heating or cooling.. Controller does not move indoor fan motor with operation INDICATOR lamp flashing vanes ’ resumes. Lamp of a Multi unit blinks while the unit has failed to initialise after power up thermistor! Forming on the remote controller signal ) about a minute outdoor units ( incorrect polarity of S1, S2 S3. Vane installed correctly to system start-up hose in case the outside air blows into the drain hose in the. Space heating MCCH1, MOS1 controller Kit Installation Manual PDF the following units n hot looming. Appliances being mitsubishi electric ac error code list pdf Freezing/Overheating of indoor unit clean is generated by the expansion/contraction the...

mitsubishi electric ac error code list pdf 2021