CHECK AND TEST 1
Step 1
Unscrew cover of mainboard with a cross-head screwdriver.
Step 2
Press and hold freezer button for a long time.
Step 3
Later 1 and 3 appear in freezer temperature area.
Note
1 means:
start forced cooling.
3 means:
start manual defrost.
Step 4
When 3 appears, remove finger and select manual defrost.
Step 5
Test voltage of defrost heater terminals as shown in picture.
WARNING! HIGH VOLTAGE!
Step 6
Take note of result. Then, remove plug off to quit manual defrost.
DIAGNOSIS 1
PROCEDURE 1
Step 1
Disconnect terminals.
Step 2
Pull out earthing wires.
Step 3
Unscrew the mainboard.
Step 4
Pull out the buckle to remove the mainboard.
PROCEDURE 2
CHECK AND TEST 2
Step 1
Press and hold freezer button for a long time.
Step 2
Later 1 and 3 appear in freezer temperature area.
Note
1 means:
start forced cooling.
3 means:
start manual defrost.
Step 3
When 3 appears, remove finger and select manual defrost.
Step 4
Test voltage of defrost heater terminals as shown in picture.
WARNING! HIGH VOLTAGE!
Step 5
Take note of result. Then, remove plug off to quit manual defrost.
DIAGNOSIS 2
