SELF-DIAGNOSIS FUNCTION
ENGLISH
65
Display
Error types
Cause of error
Outdoor unit related error
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60
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Inverter Board Input Over
Current(RMS) of Master Outdoor Unit
High-pressure switch operation
High/low-pressure of input voltage
Excessive increase of compressor dis-
charge temperature
Excessive increase of high-pressure
Excessive decrease of low-pressure
Low compression ratio error
Compressor discharge temperature
sensor error
Low-pressure sensor error
High-pressure sensor error
Air temperature sensor error of indoor
unit
Inlet temperature sensor error
Open phase of outdoor unit 3-phase
power
Hyperconnected capacity error
Fan Board communication error
Communication error between out-
door and indoor units
Reversed phase of outdoor unit 3-
phase power
Inverter PCB EEPROM Error of Master
Outdoor Unit
Fan Lock
Converter CT Sensor Error of Master
Outdoor Unit
Fan CT Sensor error
Fan DC Link high-voltage error
Fan overvoltage error
Master Outdoor Unit Inverter Board Input Cur-
rent excess (RMS)
Discharge pressure increase due to compres-
sor discharge pressure error or clogged pipe
Unstable input voltage
Insufficient refrigerant or hot gas bypass error/
EEV error
Discharge pressure increase due to compres-
sor discharge pressure error or clogged pipe
Inlet pipe is clogged or refrigerant is insuffi-
cient
Compressor capacity control valve error or
compressor error/valve tension error
Compressor discharge temperature sensor
disconnection or short circuit
Low-pressure sensor disconnection or short
circuit
High-pressure sensor disconnection or short
circuit
Outdoor unit air temperature sensor discon-
nection or short circuit
Compressor inlet temperature sensor discon-
nection or short circuit
One or more phase of the FAN inverter PCB
TST phases is open
Capacity of the connected indoor unit exceeds
the limit capacity
Communication error with the Fan PCB
Data of the indoor unit connected to the out-
door unit fails to receive the signals for more
than 3 minutes after successfully communi-
cating more than one time.
RST phase is reversed connected to the
inverter PCB
Access Error of Inverter PCB of Master Out-
door Unit
FAN motor’s burnt damage and electric break-
down/other impurities
Converter CT Sensor open or short of Master
Outdoor Unit
CT sensor disconnection or short circuit
Fan PCB detects the DC Link voltage exceeds
the limit voltage
Fan PCB detects the DC Link voltage exceeds
the limit voltage
Содержание GP-W500B6C
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