33
Installation and Maintenance
Service Manual
(3) Troubleshooting for C5 malfunction
No
Yes
No
Yes
End
Yes
No
No
Yes
No
Yes
Display displays C5
whether the jumper cap
is poorly connected?
Insert the jumper
cap
Is malfunction
eliminated?
Re-insert the jumper
cap
Is malfunction
eliminated?
Replace the jumper
cap
Is malfunction
eliminated?
Check whether the
mainbaord ofcontroller is
inserted with thejumper
cap?
It's the malfunction
of mainboard,
replacethe
mainboard
Check
