Operation Lamp Off And Timer Lamp Flashes - Electrolux EL-KFR26G/TN2Y-A Technical & Service Manual

Over current protection of the compressor occurs 4 times

Operation lamp off and Timer lamp flashes

After changing the main control board, check if the failure releases
The voltage of power supply is too low (less than 187V)?
EEROM error
EEROM error, indoor PCB is defective.
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
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
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Failure phenomenon
No
Yes
Power supply fault
Failure phenomenon
Failure phenomenon
Failure phenomenon
.
No
Outdoor unit fault (such as the compressor)
LED1
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Operation lamp Timer lamp
X ☆
Yes
Yes
Indoor PCB is defective
Operation lamp Timer lamp
On ☆
Operation lamp Timer lamp
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LED2 LED3
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