Hitachi RPC-4.0FSR - Alarm Code

Code Category ContentofAbnormality Code Category ContentofAbnormality
01 IndoorUnit
ActivationofProtectionDevice
(FloatSwitch)
35
System
IncorrectSettingofIndoorUnitNo.
02 OutdoorUnit
ActivationofProtectionDevice
(HighPressureCut)
36 IncorrectIndoorUnitCombination
03
Transmission
TransmissionFailurebetween
IndoorandOutdoor
38
AbnormalityofPickingupCircuitfor
ProtectioninOutdoorUnit
04
TransmissionFailurebetweenInverter
PCBandOutdoorPCB
39 Compressor
AbnormalityRunningCurrentat
ConstantSpeedCompressor
05 SupplyPhase AbnormalityPowerSourcePhases 41
Pressure
OverloadCooling
06 Voltage
AbnormalityofVoltageDropin
OutdoorUnit
42 OverloadHeating
07
Cycle
DecreaseinDischargeGasSuperheat 43
Protection
Device
ActivationofPressureRatioDecrease
ProtectionDevice
08
ExcessivelyHighDischargeGas
TemperatureatTopofCompressor
Chamber
44
ActivationofLowPressureDecrease
ProtectionDevice
09 OutdoorUnit
ActivationofProtectionDevicefor
OutdoorFan
45
ActivationofLowPressureIncrease
ProtectionDevice
11
Sensoron
IndoorUnit
InletAirThermistorFailure 46
ActivationofHighPressureIncrease
ProtectionDevice
12 OutletAirThermistorFailure 47
ActivationofHighPressureDecrease
ProtectionDevice
13 FreezeProtectionThermistorFailure 48
ActivationofOvercurrentProtection
Device
14 GasPipingThermistorFailure 51
Inverter
AbnormalInverterCurrentSensor
19 FanMotor
ActivationofProtectionDevicefor
IndoorFan
52
ActivationofInverterOvercurrent
Protection
20
Sensoron
OutdoorUnit
CompressorThermistorFailure 53
ActivationofTransistorModule
Protection
21 HighPressureSensorFailure 54
AbnormalityofInverterFin
Temperature
22 OutdoorAirThermistorFailure 56
OutdoorFan
AbnormalityofDetectionforFanMotor
Position
23 DischargeGasThermistorFailure 57 ActivationofFanControllerProtection
24 EvaporatingThermistorFailure 58 AbnormalityofFanController
29 LowPressureSensorFailure b0
System
IncorrectSettingofUnitModel
31
System
IncorrectCapacitySettingof
OutdoorUnitandIndoorUnit
b1
IncorrectSettingofUnitand
RefrigerantCycleNo.
32
IncorrectSettingofOtherIndoorUnit
Number
EE Compressor CompressorProtectionAlarm
A10762290A, 2020 Printed in Japan
© 2020 Hitachi-Johnson Controls Air Conditioning, Inc.
The End
14.4 AlarmCode