Error code Error type
11.3 Serial communication error
11.4 Serial communication error during operation
16.5 Communication error between controller and outdoor unit
22.1 Indoor unit capacity error
23.1 Connection prohibited (Series error)
5U.1 Indoor unit error
62.1 PCB model information error
62.3 EEPROM access error
62.8 EEPROM data corruption error
63.1 Inverter error
65.3 IPM error (Trip terminal L error)
71.1 Discharge temp. sensor error
72.1 Compressor temp. sensor error
73.2 Heat exchanger middle temp. sensor error
73.3 Heat exchanger liquid temp. sensor error
74.1 Outdoor temp. sensor error
75.1 Suction gas temp. sensor error
76.1
Valve sensor error
76.2
77.1 Heat sink temp. sensor error
84.1 Current sensor 1 error (stoppage permanently)
86.1 Discharge pressure sensor error
86.4 High pressure switch 1 error
94.1 Trip detection
95.1 Compressor motor control error (stoppage permanently)
97.3 Fan motor 1 error (Duty error)
98.3 Fan motor 2 error (Duty error)
99.1 4-way valve error
9A.1 Coil 1 (expansion valve 1) error
A1.1 Discharge temperature 1 error (stoppage permanently)
A3.1 Compressor 1 temperature error
3-3. Error code - (05-66) - 3. Check and test
FIELD
WORKING
FIELD
WORKING
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