64 ST70+ User Reference Manual
Figure 4-3: Troubleshooting chart 3
Are other displays in
system working OK?
Garbled information
on screen
Is problem still present?
YES
NO
YES
NO
D11619-1
ST70+ user troubleshooting
Chart 3
Ensure all system
connections are
satisfactory.
Is problem still present?
Ensure all connections IN
the group are satisfactory.
Can an associated keypad
communicate with the
display?
Are other displays in the
same group working
satisfactorily.
Return to
normal
operation
YES
NO
YES
NO
YES
NO
If possible, use the About Display
feature to get product information.
Obtain
technical
assistance
85024_1.book Page 64 Tuesday, January 27, 2009 11:31 AM
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