8.2 RELIABILITY FAULTS:
WRONG ICONS, NO ICONS OR ICONS ARE FLASHING ON DISPLAY
CHECK AND TEST 1
DIAGNOSIS 1
PROCEDURE 1
DIAGNOSIS 2
PROCEDURE 2
Check to ensure proper wire order and connect them.
Cover connection with electrical tape.
CHECK AND TEST 2
Check whether no display is due to undetected causes.
DIAGNOSIS 3
PROCEDUE 3
Unscrew cover of mainboard with a Cross-head screwdriver.
Pull out the buckle to take out wires.
Unscrew the mainboard.
Disconnect terminals.
Pull out the buckle to remove mainboard.
Reverse above steps to install a new board.
PROCEDURE 4
Push a 6mm sucker onto display and turn the knob to strengthen suction force.
Pull out display board.
Reverse above steps to install a new display board.
DIAGNOSIS 4
After connecting terminal, please tape wires in place to prevent crushing by the cover.