From: Jack DeLaGarza (bluspooky@xxxxxxxxx)
Date: Wed Apr 10 2002 - 10:48:24 GMT-3
I had a similar error and just pulled the
environmental card; the AGS will still run fine
without it.
--- Leah Lynch <leah_lynch@lucent.com> wrote:
> Check this out:
>
>
http://www.cisco.com/univercd/cc/td/doc/product/core/cisagspl/agscfig/29509.
> htm#20892
>
> This looks like a power supply. From that document:
>
> Troubleshooting an Air-Related Shutdown
> Following is a troubleshooting aid to help isolate
> and find air temperature
> and air flow problems. All other shutdowns caused by
> the CSC-ENVM involve
> the power supply that will be readjusted or replaced
> (depending upon the
> severity of the problem).
> Troubleshooting Guidelines
> The AGS+ unit under test (UUT) is shut down; no LEDs
> are lit, no processing
> activity is occurring, but the blower is still
> running. The last message
> displayed on the console will indicate an air
> temperature problem, an air
> flow problem, or a voltage problem.
> Step 1 Determine if the error message indicates an
> air temperature or air
> flow problem. If it is air temperature, go to step
> 2; if it is air flow, go
> to step 3.
> Step 2 For suspected air temperature problems,
> answer the following
> questions:
> Is the ambient room temperature less than 400C at
> all times?
>
>
> Is the temperature of the air going into the air
> intake vent less than 400C?
>
>
> Is there sufficient air flow through the AGS+
> chassis?
>
>
> Is there sufficient air flow within the rack or
> wiring closet?
>
>
> Is the front access panel of the AGS+ chassis in
> place?
>
>
> Is the air intake vent of the UUT isolated from the
> exhaust air of all other
> chassis?
>
>
> All answers in Step 2 should be yes. If not, correct
> the problem or contact
> your service representative for additional
> assistance.
>
>
> Step 3 For suspected air flow problems, answer the
> following questions:
> Is there insufficient air going through the AGS+
> chassis?
>
>
> Is there any blockage in or around the air intake
> vent?
>
>
> Is there any blockage in or around the air exhaust
> vent?
>
>
> Are there multiple units installed in this rack
> configuration? If the answer
> is yes, will turning off some or all of the other
> chassis (if possible)
> allow the UUT to continue running?
>
>
> Is there an air pressure differential between the
> air intake and exhaust
> vents?
>
>
> Is the exhaust air of the UUT recirculating to its
> own air intake port?
>
>
> The appropriate response for the questions in Step 3
> should be no. If not,
> or if a problem cannot be resolved using these
> guidelines, contact your
> service representative for additional assistance.
>
>
> To help determine why the CSC-ENVM told the system
> to shut down, use the
> show environment last command and look at the second
> block of information to
> see the last environmental conditions before the
> shutdown occurred. The
> specific test point indicating the failure will be
> appended with an asterisk
> (*). Refer to the section "Displaying the Reason for
> the Last Environmental
> Shutdown."
>
> -----Original Message-----
> From: Gregg Malcolm [mailto:greggm@sbcglobal.net]
> Sent: Tuesday, April 09, 2002 3:01 PM
> To: ccielab@groupstudy.com
> Subject: OT: AGS+ Environmental
>
>
> Gang,
> Has anyone else experienced an AGS+ shutting itself
> down ? Mine just did,
> had
> to power cycle it and it's back up. It's cool where
> it is and there's no
> obstruction to the fans. The fans are pushing air
> like a jet turbine (as
> usual). Reason given for shutdown was airflow
> sensor. Maybe it's time to
> give it a good cleaning. Where the heck is the
> airflow sensor anyway? I
> cringe
> every time I open it up tho. Very concerned it will
> never work again. I'm
> sure I'm not the only one who feels that way about
> their AGS...
> Gregg
> Sh env last
> r7#sh environment la
> Environmental controller firmware version 2.0
> Serial number is 00236319, calibrated on 5-23-91, by
> technician jj
> Internal temperature measured 18.5(C), shuts down at
> 43.0(C)
> Air flow appears good.
> +5 volt line measured at 4.978(V)
> +12 volt line measured at 11.943(V)
> -12 volt line measured at -12.029(V)
> -5 volt line measured at -5.031(V)
> LAST Environmental Shutdown Measurements:
> Internal temperature was 33.3(C)
> Air flow sensor was FATAL*
> +5 volt line was 4.957(V)
> +12 volt line was 11.923(V)
> -12 volt line was -12.019(V)
> -5 volt line was -5.023(V)
> r7#
>
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