Airwell AWAU-YMF009-C12, Service Manual

Page: 40 / 64

HMF Series 40 Version - 0
10. Troubleshooting
10.1 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
☆
2 times
O EC Refrigerant Leakage Detection
☆
9 times X E9
Indoor / outdoor units communication error(only for
AWSI-HMF024-N12)
O
（
light
）
X
（
off
） ☆（
flash
）