CHECK AND TEST 1
Step 1
Unscrew the locking
plastic.
DIAGNOSIS 1
DIAGNOSIS 2
CHECK AND TEST 2
Unscrew cover of
mainboard with a Crosshead
screwdriver.
Remove the clips (if any).
Power on and measure
the output of mainboard
for compressor.
WARNING:
make sure not to
touch live parts with
hands, don’t let pins
of multimeter touch
each other, otherwise,
it can cause fire.
DIAGNOSIS 3
PROCEDURE 1
Disconnect the terminals.
Unscrew the mainboard.
DIAGNOSIS 4