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102 Power Failure detected by DSU - BC9

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rxon

Technical User
May 2, 2002
2
CH
I'm wondering if someone out ther have had the same problem :
Somehow after a Power Failure is detected by a DSU, it can happen that even if you change the Power Unit (without shutting down the system) that the error code is still activated (even if all voltages are fine).

The first solution is to shut the MD110 down :-(

The other solution is to remove alarm code from MD110 with ALDAR, then clear historical error log with ALREI At the at end you'll have to set the alarm code back with ALDAS ;-)

Enjoy !
 
Hi,

You may be use the LSFTI:LIM=X; command. This problema may be the DSU,REU,LSU ou Power Unit.
 
THIS ISSUE IS KNOW TO BE CAUSED BY FAULTY ELU CARDS WITHIN THE MAG, TO CHECK TO SEE IF IT IS THIS, REMOVE THE CARDS ONE AT AT TIME UNTIL THE ERROR REOCCURS [rockband]
 
Hi,
Agree with the UK Boy this problem often occurs with the faulty ELU boards if u get any external voltages on ur ELU cards that can damage the board and thus Alarm 102 will appear Remove the ELU boards one by one checking each if u see any damaged boards remove the damage board from the system and the alarm will reset.
 
What is the and INF2 showing?
If INF 2 is set to 4 ( as below ) then this indicates DSU board is missing Ringing Voltage.

If you do a

CNREC:LIM=X,REU=NO

Then do a

CNREC:LIM=X,REU=YES;


102 POWER FAILURE DETECTED BY DSU
DATE TIME ALP NOIF EQU INF1 INF2
23SEP02 17:30:55 55 1 009-0-**-** 2 4


I had this same problem the other day this is how I resolved it.


Let me know how it goes,

JD
 
Could be a problem of an empty magazin.
In the old modules and magazines, there was a problem with the powerdetection on the DSU. If you have an empty mag, only filled with Powerfed and DSU, the powerdetection on the DSU is measuring no currency and is 'thinking' there must be something wrong.
Solution: Put in an ELU - Board. You dont need to initialize anything on it, only put the board in.
The alarm will be reset by the system to alarm class 0

That's all

Greetings from germany
 
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