HMF R22 Series 41 Version - 1
9. Troubleshooting
9.1 Indoor Unit Error Display
Operation
lamp
Timer lamp
Display
LED STATUS
☆
1 time
X
E1
EEPROM parameter error
☆
2 times
X
E2
Zero-crossing signal detection error
☆
3 times
X
E3
Indoor fan speed has been out of control
☆
5 times
X
E5
Indoor room temperature sensor T1 open circuit or
short circuit
☆
6 times
X
E6
Evaporator coil temperature sensor T2 open circuit or
short circuit
☆
7 times
X
E7
Condenser coil temperature sensor T3 open circuit or
short circuit(only for AWSI-HMF024-H61)
☆
2 times
O
EC
Refrigerant leakage detection
☆
8 times
X
E8
Outdoor fan speed has been out of control
☆
9 times
X
E9
Indoor unit and outdoor unit communication error
(AWSI-HMF024-H61)
O
(
light
)
X
(
off
)
☆(
flash
)