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PSU errors

HCL Support
Level 1
Level 1

Hi, 

We getting below given logs on 3945 router. Is it bug or hardware failure? 

Mar 28 12:46:24.771: %ENVMON-5-POWER_NOTICE: : Chassis power supply is UP in PSU 1

Mar 28 12:46:25.211: %ENVMON-3-POWER_ERROR: : Unable to read the PSU EEPROM information.
Mar 28 12:46:26.215: %ENVMON-5-POWER_NOTICE: : Chassis power supply is UP in PSU 1

Mar 28 12:46:26.655: %ENVMON-3-POWER_ERROR: : Unable to read the PSU EEPROM information.
Mar 28 12:46:27.659: %ENVMON-5-POWER_NOTICE: : Chassis power supply is UP in PSU 1

Mar 28 12:46:28.099: %ENVMON-3-POWER_ERROR: : Unable to read the PSU EEPROM information.
Mar 28 12:46:33.103: %ENVMON-5-POWER_NOTICE: : Chassis power supply is UP in PSU 1

Show ver: 

Cisco IOS Software, C3900 Software (C3900-UNIVERSALK9-M), Version 15.0(1)M6, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2011 by Cisco Systems, Inc.
Compiled Wed 01-Jun-11 19:43 by prod_rel_team

ROM: System Bootstrap, Version 15.0(1r)M16, RELEASE SOFTWARE (fc1)

Mumbai-AP-RTR-2 uptime is 2 minutes
System returned to ROM by power-on
System restarted at 19:32:51 IST Tue Mar 28 2017
System image file is "flash0:c3900-universalk9-mz.SPA.150-1.M6.bin"
Last reload type: Normal Reload


This product contains cryptographic features and is subject to United
States and local country laws governing import, export, transfer and
use. Delivery of Cisco cryptographic products does not imply
third-party authority to import, export, distribute or use encryption.
Importers, exporters, distributors and users are responsible for
compliance with U.S. and local country laws. By using this product you
agree to comply with applicable laws and regulations. If you are unable
to comply with U.S. and local laws, return this product immediately.

A summary of U.S. laws governing Cisco cryptographic products may be found at:
http://www.cisco.com/wwl/export/crypto/tool/stqrg.html

If you require further assistance please contact us by sending email to
export@cisco.com.

Cisco CISCO3945-CHASSIS (revision 1.1) with C3900-SPE150/K9 with 980992K/67584K bytes of memory.
Processor board ID
3 Gigabit Ethernet interfaces
26 Serial interfaces
4 Serial(sync/async) interfaces
4 Channelized E1/PRI ports
1 Virtual Private Network (VPN) Module
DRAM configuration is 72 bits wide with parity enabled.
255K bytes of non-volatile configuration memory.
1000944K bytes of ATA System CompactFlash 0 (Read/Write

2 Replies 2

Leo Laohoo
Hall of Fame
Hall of Fame

Version 15.0(1)M6

Uhhhh ... WTF.  This a very, very old IOS.   

Kindly upgrade the IOS and see if it improve things.

we will upgrade and update..

Review Cisco Networking for a $25 gift card