•
If both power supplies have failed, the system temperature might have exceeded the
threshold, causing the system to shut down. See “Troubleshooting the M40e Power
System When All LEDs on Both Supplies Are Off” on page 155.
•
If the LCD on the craft interface reports failure of only one impeller and the other
impellers are functioning normally, the impeller is probably faulty and needs to be
replaced. For replacement instructions, see “Replacing the M40e Front Impeller
Assembly” on page 172, “Replacing the M40e Rear Lower Impeller Assembly” on page 175,
or “Replacing the M40e Rear Upper Impeller Assembly” on page 177. For instructions
about returning a faulty component to Juniper Networks, see “Contacting Customer
Support” on page 307.
Related
Documentation
Replacing the Fan Tray on an M40e Router on page 168
•
•
Removing Components from the Chassis Before Installing the M40e Router Without
a Lift on page 83
•
Routine Maintenance Procedures for the M40e Router on page 129
Troubleshooting FPCs on the M40e Router
Problem
The FPCs are not functioning normally.
Solution
As soon as an FPC is seated in an operating router, the Routing Engine downloads the
FPC software to it. The FPC then runs diagnostics and enables the PICs housed on it.
During this time, the green LED labeled
STATUS
above the FPC on the craft interface
blinks. When the FPC is online and functioning normally, the
STATUS
LED lights steadily.
To troubleshoot the FPCs, follow these guidelines:
•
If the red LED labeled
FAIL
above the FPC on the craft interface lights steadily, check
the LCD on the craft interface for a message about the status of the FPC and the PICs
housed in it.
•
Make sure the FPC is properly seated in the midplane—use a Phillips screwdriver to
check that the screws at the top and bottom of the card carrier are tight.
•
To check the status of an FPC, issue the CLI command:
user@host>
show chassis fpc
Temp CPU Utilization (%) Memory Utilization (%)
Slot State (C) Total Interrupt DRAM (MB) Heap Buffer
0 Online 37 4 0 32 2 40
1 Empty
2 Offline -- FPC not supported on platform --
3 Empty
4 Online 34 1 0 32 1 40
5 Online 35 4 0 32 2 40
6 Online 39 4 0 32 1 39
7 Empty
For more detailed output, add the
detail
option. The following example also specifies
a slot number (
0
), which is optional:
Copyright © 2010, Juniper Networks, Inc.
152
M40e Multiservice Edge Router Hardware Guide
All manuals and user guides at all-guides.com