CHECK AND TEST 1

Step 1

Unscrew cover of mainboard with a Cross-head screwdriver.

Step 2

Check to see if terminal
is pushed into the
proper final position and
whether it is filled with
foam.

Step 3

Remove the clips.

DIAGNOSIS 1


CHECK AND TEST 2

Step 1

Test the voltage for a long time, at least 5 minutes because heater switches on and off every 5 s.
WARNING! HIGH VOLTAGE!

Step 2

Use multimeter to measure the output for heater in gasket plate.

DIAGNOSIS 2


PROCEDURE 1


Step 1

Remove the clips.

Step 2

Disconnect terminals.

Step 3

Unscrew the mainboard.

Step 4

Pull out the buckle to
remove the mainboard.

DIAGNOSIS 3


GO BACK TO COMPONENT LIST