Troubleshooting
332144E 35
Display does not respond properly to
button pushes.
Poor display connection. Check cable connections, FIG.23on
page 73. Replace damaged cable.
Display cable damaged or corroded. Clean connections, FIG. 23 on page
73. Replace damaged cable.
Ribbon cable on display circuit board
disconnected or broken.
Connect cable, FIG. 23 on page 73,
or replace.
Broken display button. Replace, page 43.
Fan not working. Loose wire. Check fan wire.
Defective fan. Replace, page 55.
PROBLEM CAUSE SOLUTION