แอร์ HITACHI
Fault Code = 01
Fault = Safety Device (Indoor Unit)
Fault Code = 02
Fault = Safety Device (Outdoor Unit)
Fault Code = 03
Fault = Transmission Indoor/Outdoor Unit
Fault Code = 05 Phase Rotation
Fault =
Fault Code = 08
Fault = Compressor High Temperature
Fault Code = 11
Fault = Air Inlet Thermistor
Fault Code = 12
Fault = Air Outlet Thermistor
Fault Code = 13
Fault = Freeze Protection Thermistor
Fault Code = 20
Fault = Compressor Thermistor
Fault Code = 22
Fault = Ambient Air Thermistor
Fault Code = 24
Fault = Defrost Thermistor
Fault Code = 25
Fault = Condensing Temperature Thermistor
Fault Code = 38
Fault = PCB Protection Circuit
Fault Code = 41
Fault = Overload Operation for Cooling
Fault Code = 42
Fault = Overload Operation for Heating
The LED’s 1-4 on the Outdoor Unit PCB will also light up according to the following table to indicate the fault which has occurred.
Fault Code = Normal
LED1 =
LED2 =
LED3 =
LED4 =
Fault Code = 01
LED1 = *
LED2 =
LED3 =
LED4 =
Fault Code = 02
LED1 =
LED2 = *
LED3 =
LED4 =
Fault Code = 03
LED1 =
LED2 =
LED3 = *
LED4 =
Fault Code = 05
LED1 =
LED2 =
LED3 =
LED4 = *
Fault Code = 08
LED1 = *
LED2 = *
LED3 = *
LED4 =
Fault Code = 20
LED1 = *
LED2 =
LED3 =
LED4 = *
Fault Code = 22
LED1 = *
LED2 = *
LED3 =
LED4 =
Fault Code = 24
LED1 = *
LED2 =
LED3 = *
LED4 =
Fault Code = 38
LED1 =
LED2 = *
LED3 = *
LED4 =
Fault Code = 41
LED1 = *
LED2 = *
LED3 =
LED4 =
Fault Code = 42
LED1 =
LED2 = *
LED3 = *
LED4 = *
Fault Code = 11-13
LED1 = *
LED2 = *
LED3 = *
LED4 = *
Cooling Only
Fault code = 02
Fault = Safety Device (Indoor or Outdoor Unit)
Fault code = 11
Fault = Air Inlet Thermistor
Fault code = 13
Fault = Freeze Protection Thermistor
Fault code = 38
Fault = PCB Protection Circuit
The reason for the failure should be traced and rectified as early as possible. The unit may then be restarted by pressing the Run/Stop button.