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5 – Diagnostics/Troubleshooting
Chassis Diagnostics
59042-07 A 5-9
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5.2
Chassis Diagnostics
Chassis diagnostics are indicated by the chassis LEDs as shown in Figure 5-2.
Figure 5-2. Chassis LEDs
The following conditions are described:
Over Temperature LED is illuminated
Input Power LED is extinguished
Fan Fail LED is illuminated
5.2.1
Over Temperature LED is Illuminated
The Over Temperature LED illuminates to indicate that the switch logic circuitry is
has exceeded the failure temperature threshold. The failure temperature threshold
is 70° C. If the Over Temperature LED illuminates, do the following:
1. 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.
2. 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.
Over Temperature LED
(Amber)
Fan Fail LED
(Amber)
Heartbeat LED
(Amber)
Input Power LED
(Green)