User's Manual

Troubleshooting
34 332144C
Display does not respond properly to
button pushes.
Poor display connection. Check cable connections, F
IG
. 23 on
page 72. Replace damaged cable.
Display cable damaged or corroded. Clean connections, F
IG
. 23 on page
72. Replace damaged cable.
Ribbon cable on display circuit board
disconnected or broken.
Connect cable, F
IG
. 23 on page 72,
or replace.
Broken display button. Replace, page 42.
Fan not working. Loose wire. Check fan wire.
Defective fan. Replace, page 54.
PROBLEM CAUSE SOLUTION