Mitsubishi Heavy SRK error codes
Models: SRK15ZTL-W, SRK25QA-S, SRK25ZJP-S, SRK25ZSP-W, SRK35QA-S, SRK35ZJP-S, SRK35ZSP-W, SRK45ZSP-W, SRK50ZJP-S
0Normal01Error of wired remote control wiring (When wired remote control was connected) (When wireless LAN interface…05Can not receive signals for 35 seconds (if communications have recovered)11Start of compressor program12Below 20 rps13Over 20 rps14Over voltage (DC350V)15Short circuit of power transistor (high voltage side)16Power cut, loop failure17Software current cut21Abnormal result of PWM algorithm22Input below 2A (PWM above 90%)233 abnormal stops within 20 min27Error of outdoor fan motor (for DC motor only)28Different voltage29Low voltage31Cooling safe current I32Heating safe current I33Cooling safe current II34Heating safe current II35Cooling high pressure control36Compressor overheat 110°C37Heating current safe III + 3A38Outdoor air temperature sensor is abnormal39Discharge pipe sensor is abnormal (anomalous stop)40Service valve (gas side) closed operation41Cooling overload 1 (outdoor temp. 36~40℃)42Current cut43Cooling overload 2 (outdoor temp. 40~45℃)44Heating overload 2 (outdoor temp. 12~17℃)45Cooling overload 3 (outdoor temp. 45~℃)46Heating overload 3 (outdoor temp. 17~℃)47Active filter voltage error48Outdoor unit's fan motor is abnormal50125℃ (compressor over heat)51Short circuit in the power transistor (high side) / Current cut circuit breakdown57Refrigeration cycle system protective control58Current safe59Compressor wiring is unconnection / Voltage drop / Low speed protective control60Rotor lock61Connection lines between the indoor and outdoor units are faulty62Serial transmission error70Rotor lock71Rotor lock: below 16 rps72Rotor lock: above 16 rps73Poor phase position switching (U phase)74Poor phase position switching (V phase)75Poor phase position switching (W phase or not determined)76Start of compressor program (within 4 sec. after phase position switching)80Error of fan motor of indoor unit81Vent-pipe sensor error (abnormal stop)82Indoor heat exchanger sensor is abnormal (anomalous stop)83Heat exchanger liquid pipe sensor error (abnormal stop)84Anti-condensation control85Anti-frost control86High pressure control87Compressor over heat protection control88Refrigeration cycle system protective controlE1Indoor circuit board faultE5Interconnecting cableE16Indoor fan motor errorE35Cooling high pressure protectonE36Over heat of compressorE37Outdoor heat exchanger temperature sensor errorE38Outdoor air temperature sensor errorE39Discharge pipe temperature sensor errorE40Service valve (gas side) closed opertionE42Current cutE47Active filter voltage errorE48Outdoor fan motor errorE51Power transistor errorE57Refrigeration cycle system protective controlE58Current safe stopE59Trouble of outdoor unitE60Rotor lockLED:RUN=1-TIME FLASH,TIMER=ONHeat exchanger temperature sensor 1 errorLED:RUN=2-TIME FLASH,TIMER=ONRoom air temperature sensor errorLED:RUN=3-TIME FLASH,TIMER=ONHeat exchanger temperature sensor 2 errorLED:RUN=4-TIME FLASH,TIMER=ONTrouble of wireless LAN interface
Codes the manuals give for these models. The brand's general codes: Mitsubishi Heavy