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5 – Diagnostics/Troubleshooting
Chassis Diagnostics
59042-06 A 5-11
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2. Inspect the chassis fan. Is the intake opening clear? Is the fan operating and
producing air flow?
Yes - Continue.
No - Remove any debris from fan intake and exhaust if necessary. If
the condition remains, continue.
3. Consider the ambient air temperature near the switch and clearance around
the switch. Make necessary corrections. If the condition remains, contact
your authorized maintenance provider.
5.2.2
Input Power LED Is Extinguished
The Input Power LED illuminates to indicate that the switch logic circuitry is
receiving proper voltages. If the Input Power LED is extinguished, do the
following:
1. Inspect the power cords and connectors. Is the cord unplugged? Is the cord
or connector damaged?
Yes - Make necessary corrections or repairs. If the condition remains,
continue.
No - Continue.
2. Inspect the AC power source. Is the power source delivering the proper
voltage?
Yes - Continue
No - Make necessary repairs. If the condition remains, contact your
authorized maintenance provider.
5.2.3
Fan Fail LED is Illuminated
The Fan Fail LED illuminates to indicate a malfunction with the chassis fan. If the
Fan Fail LED illuminates, isolate the switch from the fabric, unplug the switch from
the AC power source, and contact your authorized maintenance provider.