Cisco XR 12406 - Manual (Page 162)

Chapter 4 Troubleshooting the Installation
Troubleshooting the Cooling Subsystem
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Cisco XR 12406 Router Installation Guide
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Figure 4-7 Blower Module Location and Features
There are two LEDs on the blower module at the rear of the chassis.
• OK (green)—Indicates the blower module is functioning normally.
• FAIL (red)—Indicates there is a failure in the blower module. The FAIL LED
should remain off during normal operation.
If the green LED is off and/or the red LED is on, check the following to help
isolate a problem with the cooling system:
1 Blower module 4 Air exhaust vents
2 Blower module LEDs 5 Power distribution unit (PDU)
3 Blower module handle —
101114
HIGH SPEED BLO WER
3
4
1
2 5