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Alarm Light on Column 1

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dgrivois

Technical User
Dec 10, 2008
55
US
We have a alarm light on top of one of our columns. We have looked at all the cards and check voltages into switch and everything is looking good. have not noticed anything coming out on the terminal for alarms.

Any Ideas on how to find what is causing the alarm?
 
Red light on column means power. Sometimes going to LD45 and doing this will speed up to reset - at least I thing it has for me :)

>LD 45
BSD000
.TEST

If it never goes out - give it an hour - check for power and batter issues.

[©] GHTROUT.com [⇔] A Variety of Free Resources for Nortel Meridian/CS1000 System Administrators
 
Will this cause any problems with customers by running this command?
 
None. LD 45 is not an intrusive test, in fact the system is supposed to invoke it whenever their is a column alarm.

[©] GHTROUT.com [⇔] A Variety of Free Resources for Nortel Meridian/CS1000 System Administrators
 
GO to LD 37 and perform STAT XSM. This should give you a code with what power supply, ringing generator, etc could be causing the problem. It could also be a defective system monitor in that column.

War Eagle!
Lions Baseball '09!
 
I tried the ld 37 and I got this message

IOD300
No response received from System Monitor (NT8D22) after sending status request message.

 
Which column has the light? The main column? IOD300 probably indicates a bad system monitor in Column 0. Things that can turn the alarm light on the column include power supplies, ringing generators, fans, and system monitors.

War Eagle!
Lions Baseball '09!
 
The light is on the fourth column and all the cards have no alarms and the power going in is the same as column 3.
 
I wouldn't be surprised if you had multiple bad system monitors. I recommend you have your vendor come out and test/replace them one at a time starting with the monitor in Column 0 that connects to the paddle board. What I usually do is replace it and set the dipswitches on it to be a stand alone column so that it doesn't go out and look at the other monitors. Once I get a PWR000 from it, I would then change the dipswitches back to allow for the other columns and troubleshoot them.

War Eagle!
Lions Baseball '09!
 
Since this is a Guard base, we do the maintenance. Do I have to shut down the switch to remove the monitor card?
 
I say no lightly. You need to disable the TTY port for the system monitor in LD 37. Then you can remove it. Most of the time I have pulled them out with no issues but I have had a couple that tripped the breakers when removing them. If downtime is not an option, I would suggest you schedule it after hours to be safe.

War Eagle!
Lions Baseball '09!
 
I appreciate all the help guys.

I am going to have to schedule to do this after hours to be on the safe side.
 
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