CHECK AND TEST 1
Unscrew cover of mainboard with a Cross-head screwdriver.
Check to see whether
wires in mainboard area
are broken.
DIAGNOSIS 1
PROCEDURE 1
Cut off the wire.
Peel off the sleeves.
Make sure wires are in proper order and connect them.
Tin soldering.
Cover connecting point with electrical tape.
CHECK AND TEST 2
Install the mainboard cover.
Perform current leakage test.
Put one detector on earthing wire of socket, and another detector on surface of the appliance.
DIAGNOSIS 2