User Interface - Touch Panel; System Failure - Sys Fail Message - GE PANDA Service Manual

4.4.4 User Interface – Touch Panel
4.4.4.1 Button Not Working
Possible Causes
Disconnected
Touch Panel
Touch Panel-
defective switch
4.4.4.2 Cannot Enter Service Mode
Possible Causes
"?" or "Alarm Silence"
button not working
4.4.4.3 Sys Fail 08 [xx xx 00 00]
Possible Causes
Touch Panel -
Button Shorted
4.4.5 System Failure – Sys Fail Message
When troubleshooting a System Failure condition, always record the error list or download the event log.
Service Manual
Step Troubleshooting Procedure
Verify proper connection of Touch Panel at J5 on
1.
Control PCA
Go into Service Mode and diagnose using the
2.
touch panel test.
If unable to enter Service Mode via buttons, refer
3.
to alternate method in
4. Enter diagnostics -> button test
If the diagnostic test indicates either open or
5.
shorted buttons, replace Touch Panel
Step Troubleshooting Procedure
Locate on 8-position dipswitch on the Control PCA.
Push the first dipswitch, located on the left side, up
1.
to the ON position (dip position 1). The unit will go
directly into Service Mode during next power on.
Go into Service Mode and diagnose with the touch
2.
panel test.
Step Troubleshooting Procedure
1. Refer to section 4.4.5.7.
Chapter 4: Troubleshooting
section 4.4.4.2 below.
Troubleshooting Tables
Comments
Part Number:
M1079381
Comments
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