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LED Indicator Lights: Normal Operation And Fault Conditions For Cooling/Heat Pump Unit
Normal Operation/Fault Indication Action Error Code
Cool mode – –
Heat mode – –
Auto mode in Heating operation – –
Auto mode in Cooling operation – –
Timer on – –
Sleep mode on – –
Fan mode on – –
Dry mode on – –
Room air sensor contact
Loose/Short
Call your dealer Blink E1
Outdoor coil sensor open Call your dealer Blink E3
Indoor coil sensor open Call your dealer Blink E2
Compressor overload/
Indoor coil sensor short/ Call your dealer Blink E4
outdoor coil sensor short
Defrost operation – –
Gas leak Call your dealer Blink E5
Hardware error (tact switch pin short) Call your dealer Blink E8
No feedback from indoor fan Call your dealer Blink E9
EEPROM error Call your dealer Blink EE
5 times
1 time
COOL/HEAT
(GREEN/RED)
Red
Green
Red
Green
Red
ON
ON or OFF Blinking
1 time
3 times
3 times
4 times
2 times
Note: The unit will not detect sensor missing when the compressor is ON.
12N 12N
500ms 500ms
500ms 500ms
3 seconds
ON
OFF
ON
OFF
Blink N times
Blink continuously
6 times
1 IM-WMJ-1207(2)_EN 11/20/09, 4:32 PM13