CHECK AND TEST 1
Step 1
Unscrew cover of
mainboard with a
Cross-head screwdriver.
Step 2
Take of the cover of mainboard.
Step 3
Take note of the result. Later power off to quit manual defrost.
Step 4
Press the switch button on mainboard, then the appliance will enter manual defrost mode.
Note
Step 5
Test voltage of terminals
for defrost heater using
multimeter.
Step 6
Take note of the result
and then power off to
quit manual defrost.
DIAGNOSIS 1
PROCEDURE 1
Step 1
Unscrew cover of mainboard with a Cross-head screwdriver.
Step 2
Prize off the connector buckles.
Step 3
Disconnect the connectors.
Step 4
Unscrew the mainboard. .
Step 5
Prize off the buckle to remove mainboard.Reverse steps above
to
install a new mainboard.
CHECK AND TEST 2
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