Chapter 2 Pem Fault And Fan Assembly Failure - Cisco uBR10012 Troubleshooting Manual

AC PEM Faults
Figure 2-1
POWER
FAULT
Table 2-1
LED
Power
Fault
Table 2-2
Table 2-2
Fault Symptom
Green LED on PEM
fails to light
Cisco uBR10012 Universal Broadband Router Troubleshooting Guide
2-2
AC PEM Front Panel
AC power
cord clips
AC power plug
AC power switch
AC PEM LEDs
Color Description
Green The PEM is on, is receiving power from the AC power source, and is providing
power to the Cisco uBR10012 chassis (normal operations).
Yellow Indicates that AC-input power is being received by the PEM, but that the PEM is
not supplying power to the chassis, typically because the PEM's power switch is
turned to the standby position.
If the Fault LED is lit when the power switch is in the ON position, the PEM is
not operating correctly.
lists the AC PEM fault symptoms and corrective actions.
AC PEM Fault Symptoms and Corrective Action
Corrective Action
Make sure the power switch on the PEM is turned to the ON position.
1.
Make sure the PEM is properly seated and that its captive screws have been
2.
tightened.
Make sure that the AC-input power cord is securely plugged into the power
3.
plug on the front panel of the PEM. Secure the cord in the clips to ensure
the plug is not accidentally pulled out.
Check the external power source and verify that the AC-input power cord is
4.
correctly connected to the power outlet.
Move the PEM to the other PEM slot. If the PEM still fails, replace it.
5.
Chapter 2 PEM Faults and Fan Assembly Failures
OL-1237-01