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Table 7.3 (continued)
Error code
xC41
Communication error between main control chip and inverter driver chip
E41
Outdoor ambient temperature sensor (T4) malfunction (open/short circuit)
F31
Gas liquid separator inlet temperature sensor (T6B) malfunction (open/short circuit)
F41
Outdoor heat exchanger temperature sensor (T3) malfunction (open/short circuit)
F51
main liquid pipe inlet temperature sensor (T6A) malfunction (open/short circuit)
F62
Inverter module temperature (NTC) protection
F63
Non-inductive resistor temperature (Tr) protection
F6A
F62 protection occurs 3 times in 100 minutes
F71
Discharge temperature sensor (T7C) malfunction (open/short circuit)
F72
Discharge temperature (T7C) protection
F75
Insufficient superheat protection for compressor discharge
F7A
F72 protection occurs 3 times in 100 minutes
F81
Gas stop-valve temperature sensor (Tg) malfunction (open/short circuit)
F91
Liquid pipe temperature sensor (T5) malfunction (open/short circuit)
FA1
Outdoor heat exchanger inlet temperature sensor (T8) malfunction (open/short circuit)
FC1
Outdoor heat exchanger outlet temperature sensor (TL) malfunction (open/short circuit)
Fd1
Compressor suction temperature sensor (T7) malfunction (open/short circuit)
Outdoor ambient temperature sensor(T10) malfunction (open circuit/short circuit)
FL1
P11
High pressure sensor malfunction
P12
Discharge pipe high pressure protection
P13
Discharge pipe high pressure switch activated
P14
P12 protection occurs 3 times in 60 minutes
P21
Low pressure sensor malfunction
P22
Suction pipe low pressure protection
P24
Pressure abnormal rise in suction pipe
P25
P22 protection occurs 3 times in 100 minutes
xP32
No. (x) compressor high DC bus current protection
xP33
xP32 protection occurs 3 times in 100 minutes
P51
High AC voltage protection
P52
Low AC voltage protection
P53
Reverse power supply cable connection protection for Phase B and N or phase loss during operation
P54
DC bus low voltage protection
P55
Phase loss or DC bus excessive ripple voltage protection
xP56
No. (x) Inverter module DC bus low voltage error
xP57
No. (x) Inverter module DC bus high voltage error
xP58
No. (x) Inverter module DC bus excessively high voltage error
P71
EEPROM error
Pb1
--
Pd1
Electric control radiator condensation protection
Pd2
Pd1 protection occurs 2 times in 60 minutes
1b01
Electronic expansion valve (EEVA) malfunction
2b01
Electronic expansion valve (EEVB) malfunction
3b01
Electronic expansion valve (EEVC) malfunction
4b01
Electronic expansion valve (EEVE) malfunction
bA1
--
Note: "x" is the outdoor unit address number or the compressor or motor number.
Description
Manual reset
NO
NO
NO
NO
NO
NO
NO
YES
YES
NO
NO
YES
NO
NO
NO
NO
NO
YES
NO
NO
NO
YES
YES
NO
NO
YES
NO
YES
NO
NO
YES
NO
YES
YES
YES
YES
YES
YES
NO
YES
YES
NO
NO
YES
YES
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