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LED Indicator Lights: Normal Operation And Fault Conditions For Cooling/Heat Pump Unit
COOL/HEAT
(GREEN/RED)
Green
Red
Red
Green
1 time
3 times
2 times
Red
4 times
5 times
ON
Note: The unit will not detect sensor missing when the compressor is ON.
Blink N times
1
ON
OFF
500ms 500ms
Blink continuously
ON
OFF
500ms 500ms
1 IM-WMJ-1207(2)_EN
13
All manuals and user guides at all-guides.com
Normal Operation/Fault Indication
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
Outdoor coil sensor open
Indoor coil sensor open
Compressor overload/
Indoor coil sensor short/
1 time
outdoor coil sensor short
Defrost operation
Gas leak
3 times
Hardware error (tact switch pin short)
6 times
No feedback from indoor fan
EEPROM error
2
N
3 seconds
Action
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Call your dealer
Call your dealer
Call your dealer
ON or OFF
1
2
1-13
11/20/09, 4:32 PM
Error Code
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Blink E1
Blink E3
Blink E2
Blink E4
–
–
Blink E5
Blink E8
Blink E9
Blink EE
Blinking
N
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