CHECK AND TEST 1
Step 1
Unscrew cover of mainboard with a Cross-head screwdriver.
Step 2
Power on the appliance, open the door and heat temp. sensor.
Step 3
Use multimeter to measure the voltage
of output for “FAN+” & “GND”.
Take note of the measured result.
DIAGNOSIS 1
PROCEDURE 1
Step 1
Disconnect terminals.
Step 2
Prize up the buckle and disconnect the terminal.
Step 3
Unscrew the mainboard.
Step 4
Remove the mainboard.Reverse steps above
to install a new
mainboard.
CHECK AND TEST 2
Step 1
Power on the appliance, open the door and heat the temp. sensor.
Step 4
Press down mechanical switch.
DIAGNOSIS 2
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