Advertisement
5-2 TROUBLESHOOTING
● If you plug in the power cord and turn Power S/W on, memorized data is displayed.
If any data is not displayed, check the followings.
No Power ON
Rating voltage
is supplied
correctly?
YES
Power plug
securely
connected?
YES
Fuse blown
out?
NO
Replace
defective PCB
ASS`Y.
● Pressing a key does not give beep sounds while the indicator turns on, or the indicator does
not show at all. Display turns on.
PCB ASS`Y is defective.
Replace.
● Pressing a key does not give beep sounds while the indicator turns on, or the indicator does
not show at all. Display turns on.
Unselected indicator turns on.
Replace defective PCB
ASS`Y.
Apply rating
NO
voltage.(Check AC
220V.)
Plug in the
NO
power cord
securely.
YES
Replace fuse.
Power ON?
NO
Replace defective
PCB ASS`Y
OK
15
YES
Is motor
rotating
correctly?
NO
Replace defective
PCB ASS`Y
YES
Is motor rotating
correctly?
NO
Replace defective
PCB ASS`Y.
YES
OK
Advertisement
