Electrolux EXM27HC7WE Instrukcja Użytkownika Pobierz pdf (Strona 15)

Page 15 of 33

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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Electrolux EXM27HC7WE Instrukcja Użytkownika Strona 15