CHECK AND TEST 1
Unscrew cover of mainboard with a cross-head screwdriver.
Disconnect terminals.
Press Freezer Temp. button along with Mode button for 5 sec, “0” flashes in freezer temperature area.
Press Freezer Temperature button, 1 and 3 will appear in freezer temperature area.
1 means:
start forced cooling.
3 means:
start manual defrost.
When 3 appears, remove finger and select manual defrost.
Test voltage of defrost heater terminals as shown in the picture.
WARNING! HIGH VOLTAGE!
Take note of result. Then, remove plug off to quit manual defrost.
DIAGNOSIS 1
PROCEDURE 1
Disconnect terminals.
Pull out earthing wires.
Unscrew the mainboard.
Pull out the buckle to remove the mainboard.
PROCEDURE 2
CHECK AND TEST 2
Disconnect terminals for heater.
Press Freezer Temp. button along with Mode button for 5 sec, “0” flashes in freezer temperature area.
Press Freezer Temperature button, 1 and 3 will appear in freezer temperature area.
1 means:
start forced cooling.
3 means:
start manual defrost.
When 3 appears, remove finger and select manual defrost.
Test voltage of defrost heater terminals as shown in the picture.
WARNING! HIGH VOLTAGE!
Take note of the result. Then, remove plug off to quit manual setting.
DIAGNOSIS 2