CHECK AND TEST 1

Step 1

Unscrew cover of mainboard with a Cross-head screwdriver. 

Step 2

Press the button SW1 on mainboard, within 1 minute after powering on the appliance, to start manual defrost. 

Step 3

Test voltage from terminal for defrost heater in PCB area. 

 

Step 4

Take note of the result. Later power off to quit manual defrost.

The value should be 230V. 

PROCEDURE 1


Step 1

Unscrew cover of mainboard with a Cross-head screwdriver. 

Step 2

Disconnect terminals. 

Step 3

Unscrew the mainboard. 

Step 4

Prize off the buckle to remove mainboard. 

Step 5

Prize off the buckle to remove mainboard. 

PROCEDURE 2


DIAGNOSIS 1