Indoor Unit Error Display
Operation
lamp
Timer lamp
Display
LED STATUS
1 time
X
E0
Indoor unit EEPROM parameter error
2 times
X
E1
Indoor / outdoor units communication error
3 times
X
E2
Zero-crossing signal detection error
4 times
X
E3
Indoor fan speed has been out of control
5 times
X
E4
Indoor room temperature sensor T1 open circuit or short
circuit
6 times
X
E5
Evaporator coil temperature sensor T2 open circuit or
short circuit
7 times
X
EC
Refrigerant leakage detection
2 times
O
F1
Outdoor ambient temperature sensor T4 open circuit or
short circuit
3 times
O
F2
Condenser coil temperature sensor T3 open circuit or
short circuit
4 times
O
F3
Compressor discharge temperature sensor T5 open
circuit or short circuit
5 times
O
F4
Outdoor unit EEPROM parameter error
6 times
O
F5
Outdoor fan speed has been out of control
1 times
P0
IPM malfunction or IGBT over-strong current protection
2 times
P1
Over voltage or over low voltage protection
3 times
P2
High temperature protection of compressor top
diagnosis and solution(only for 9k,12k models)
5 times
P4
Inverter compressor drive error
O
（
light
）
X
（
off
）
（
flash
）
TROUBLESHOOTING
15
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Summary of Contents for Advantage Series
Page 17: ...Advantage Series ...
