Cisco WAE-674-K9 - Wide Area Application Engine 674 Hardware Installation Manual page 121

Chapter 6 Troubleshooting the System Hardware
Table 6-17 Power Problems (continued)
Symptom
The OVER SPEC LED on the
Light Path Diagnostics panel
is lit, and the power channel C
LED on the system board is lit.
The OVER SPEC LED on the
Light Path Diagnostics panel
is lit, and the power channel D
LED on the system board is lit.
OL-15012-02
FRU or Action
Remove the DIMMs and the ServerRAID SAS controller, and
1.
restart the device. If the OVER SPEC and power channel LEDs
are still lit, do the following:
Check the hot-swap power supplies, replacing them one at a
a.
time. Restart the device each time that you reinstall a power
supply.
Check the power backplane.
b.
Check the system board.
c.
Restart the device. If the OVER SPEC and power channel LEDs
2.
are off, reinstall the DIMMs, one pair at a time. Restart the device
each time that you reinstall a DIMM. If the power channel C LED
is lit, the pair of DIMMs that you just reinstalled is defective.
Replace the defective DIMMs.
Reinstall the ServeRAID SAS controller and restart the device. If
3.
the OVER SPEC and power channel LEDs are off, replace the
ServeRAID SAS controller.
Remove all PCI adapters (the low-profile PCI Express adapters in
1.
PCI slots 3 and 4, and the adapters on the PCI riser card in PCI
slots 1 and 2). If the OVER SPEC and power channel LEDs are
still lit, do the following:
Check the hot-swap power supplies, replacing them one at a
a.
time. Restart the device each time that you reinstall a power
supply.
Check the power backplane.
b.
Check the system board.
c.
Reinstall the adapters, one at a time. Restart the device each time
2.
that you reinstall an adapter. If the power channel D LED is lit, the
adapter that you just reinstalled is defective. Replace the defective
adapter.
Cisco Wide Area Application Engine 7341, 7371, and 674 Hardware Installation Guide
Symptoms and Solutions
6-47