Troubleshooting The M7I Cfeb And Cfeb-E - Juniper M7i Hardware Manual

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Troubleshooting the M7i CFEB and CFEB-E

Problem
Solution
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Copyright © 2019, Juniper Networks, Inc.
LED lights correctly on the spare, the original power supply is faulty. Return it to Juniper
Networks for replacement, as described in
If the spare power supply also does not work, connect the router to a different power
3.
source. You might also try replacing the AC power cord (on an AC-powered router)
or DC power cables (on a DC-powered router). For instructions, see
AC Power Cord" on page 181
do not need to disconnect and reconnect the grounding cable).
If you cannot determine the cause of the problem or need additional assistance, see
4.
"Contacting Customer Support" on page
M7i Power System Description on page 59
M7i Router Power Requirements on page 79
Maintaining the M7i Power Supplies on page 194
Powering On the M7i Router on page 125
Description: The CFEB or CFEB-E is not functioning normally.
To troubleshoot the CFEB or CFEB-E:
Make sure the CFEB or CFEB-E is properly seated in the midplane. Use a Phillips
screwdriver to ensure that the screws on the CFEB or CFEB-E handles are securely
tightened.
Check the alarm LEDs on the FIC. A CFEB or CFEB-E failure generates a red alarm.
Installing the M7i CFEB and CFEB-E on page 184
M7i Compact Forwarding Engine Board (CFEB) and Enhanced Compact Forwarding
Engine Board (CFEB-E) Description on page 63
Maintaining the M7i CFEB and CFEB-E on page 195
Chapter 29: Troubleshooting Components
"Contacting Customer Support" on page
and "Replacing an M7i DC Power Cable" on page 175
211.
211.
"Replacing an M7i
(you
207