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Diagnosing Switch Indicators
This switch can be easily monitored through panel indicators to identify
problems. The table below describes common problems you may
encounter and possible solutions
Symptom
Power Module
LED is off
-48 VDCor AC
Power Module
LED is off
+12 VDC
Diag LED is off
T
ROUBLESHOOTING
Table A-1 Diagnosing Switch Indicators
Possible Cause
Power outlet,
power cord, or
power module may
be defective.
Power module may
be defective.
Boot-up diagnostic
program has
detected a problem.
A
PPENDIX
Action
• If using a DC power
conversion module, check the
connections between the
switch and the external DC
power supply. If using an AC
power module, check
connections between the
switch, the power cord, and
the wall outlet.
• Contact your dealer for
assistance.
• Internal power supply has
failed. Contact your local
dealer for assistance.
• Power cycle the switch to try
and clear the condition.
• If the condition does not clear,
contact your local dealer for
assistance.
A
A-1
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