Toshiba ERV All models error codes
Codes
- C21Error codeAbnormal communication between the indoor unit and the outdoor unit
- C41Error codeAbnormal communication between the
- C51Error codeAbnormal communication between the
- C77Error codeAbnormal communication between the indoor unit's main control board and first function expansion board
- C78Error codeAbnormal communication between the indoor unit's main control board and second function expansion board
- C79Error codeAbnormal communication between the
- CN2Error codeStandard; D1 D2 communication port (with central controller)
- CN5Error codeStandard; Pressure differential switch
- CN6Error codeStandard; X1 X2 communication port (with wire controller)
- CN9Error codeStandard; Power supply for exhaust fan motor
- CN10Error codeStandard; M1/M2 communication port (with outdoor unit by SuperLink)
- CN11Error codeStandard; Fan module connection
- CN18Error codeStandard; Communication switch board
- CN22Error codeReserved; AC power output used for the bypass valve
- CN30Error codeStandard; C0 sensor 2
- CN81Error codeStandard; T4 temperature sensor connection
- CN82Error codeStandard; T1 temperature sensor connection
- CN99Error codeAfter-sale kit communication port
- d51Error codeStatic pressure detection
- dE0Error codeCO2 sensor fault . . . . . . . . . . . . . . . . . . . . . . . . . . 20
- dE2Error codePM2.5 sensor fault . . . . . . . . . . . . . . . . . . . . . . . . 21
- E5Error codeAvailable fan mode
- E09Error code(* The header indoor unit stops raising alarm and follower indoor units continue to operate.)
- E18Error codeIndoor P.C.board --- Regular communication is not possible between header and follower indoor units or between twin header and follower units
- E21Error codeT0 (fresh inlet air temperature sensor) short circuits or cuts off
- E24Error codeT1 (indoor unit's return air temperature sensor) short circuits or cuts off
- E81Error codeTA (outlet air temperature sensor) short circuits or cuts off
- F29Error codeIndoor P.C.board --- Faulty EEPROM
- J01Error codeMotor failed more than once
- J1EError codeIPM (fan module) over-current protection
- J3EError codeLow bus voltage fault
- J5EError codeMotor start-up failure
- J6EError codePhase lack protection of motor
- J11Error codeInstantaneous over-current protection for phase current
- J31Error codeHigh bus voltage fault
- J43Error codePhase current sample bias error
- J45Error codeMotor and indoor unit are unmatched
- J52Error codeMotor blocking protection
- J55Error codeSpeed control mode setting error
- L20Error codeAddress setting, central control remote control, --- Duplication of address in central control communication
- out310Error codeIf the input power supply (DC) between P and N is n about 310 V), it indicate circuit for fan driv
- P5FError codePhase lack protection of AC motor
- P31Error codeAnother indoor unit in the group is raising and alarm
- P52Error codeThe voltage of the power supply is too low
- P71Error codeMain control board EEPROM fault