Electrolux EXM27HC7WE Manual de usuario Pagina 15

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Failure phenomenon Operation lamp Timer lamp
Over current protection of the compressor occurs 4 times X
No Yes
Yes No
Failure phenomenon Operation lamp Timer lamp
EEROM error On
EEROM error, indoor PCB is defective.
Failure phenomenon Operation lamp Timer lamp
No over-zero signal
This is alarm signal when the main chip can’t detect over-zero signal. When such failure occurs, the main
control board must have fault.
7.2 Outdoor unit
Failure phenomenon LED1 LED2 LED3
Stand by
High temp. protect of condenser
Temp. sensor in condenser 1 is open circuit or short circuit
Temp. sensor in condenser 2 is open circuit or short circuit
Flash at 2Hz
Operation lamp off and Timer lamp flashes
Indoor PCB is defective
Power supply fault Outdoor unit fault (such as the compressor)
The voltage of power supply is too low (less than 187V)?
After changing the main control board, check if the failure releases.
Yes
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