CHECK AND TEST 1
Step 1
Unscrew cover of mainboard with a Cross-head screwdriver.
Step 2
Power on the appliance and start manual defrost.
a) Press Freezer Temp. button together with Mode button for 5 sec, 0 flashes in freezer temp. area.
b) Press Freezer Temp. button, 1 and 3 will appear in freezer temperature area.
c) When 3 appears, remove finger and select manual defrost.
Note
1 means:
start forced cooling.
3 means:
start manual defrost.
Step 3
Measure output voltage for defrost heater from terminal on mainboard.
Step 4
Take note of result.
Note
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
Power on the appliance and start manual defrost.
a) Press Freezer Temp. button together with Mode button for 5 sec, 0 flashes in freezer temp. area.
b) Press Freezer Temp. button, 1 and 3 will appear in freezer temperature area.
c) When 3 appears, remove finger and select manual defrost.
Note
1 means:
start forced cooling.
3 means:
start manual defrost.
Step 1
Measure output voltage for defrost heater from terminal on mainboard.
Step 2
Take note of result.
Note
DIAGNOSIS 2
