82
AWM-J-2010 Troubleshooting
LED Indoor Lights: Normal Operation and Fault Conditions for Cooling / Heat Pump Unit
1
COOL/HEAT
(GREEN/RED)
Error Code Normal Operation / Fault Indication
Green
- Cool mode
Red
- Heat mode
Red
- Auto mode in Heating operation
Green
- Auto mode in Cooling operation
- Time on
- Sleep mode on
- Fan mode on
- Dry mode on
1 time
Blink E1 Room air sensor contact loose / short
3 times
Blink E3 Outdoor coil sensor open
2 times
Blink E2 Indoor coil sensor open
1 time
Blink E4
Compressor overload / indoor coil sensor short /
outdoor coil sensor short
Red
- Defrost operation
3 times
Blink E5 Gas leak
6 times
Blink E8 Hardware error (tact switch pin short)
4 times
Blink E9 No feedback from indoor fan
5 times
Blink EE EEPROM defrost
ON
ON or OFF Blinking
Note: The unit will not detect sensor missing when the compressor is ON.
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