disconnect enclosure fault

English translation: See explanation below...

11:13 Nov 3, 2005
English language (monolingual) [PRO]
Tech/Engineering - Electronics / Elect Eng / printing
English term or phrase: disconnect enclosure fault
in a printing press, troubleshooting section

"PROBLEM: Dryer exhaust and impingement motors not functioning.

SYMPTOM: AC Drive LEDs and display OFF

PROBABLE CAUSE: Estop button active or safe switch not reset after Etop condition.
OR: Check AC drive breaker and fuses in dryer station 1-6 ***disconnect enclosure fault***.

TESTS AND REMEDIES: Identify and correct fault. Replace fuse(s) and reset breaker."

...I have two problems with this part of the sentence: 1) I cannot place it with the rest of the sentence 2) what does it mean to disconnect a fault and what is an enclosure fault??

thanks!
Elena Ghetti
Italy
Local time: 09:33
Selected answer:See explanation below...
Explanation:
1) First of all, I think again this is a case of missing punctuation; I would imagine the sentence should really read:

"Check AC drive breaker and fuses in dryer station 1-6, (and check for a possible) disconnect enclosure fault."

2) I think you'll find they are talking about a safety circuit that 'disconnects the power when the protective enclosure is opened' --- this would be typical techie shorthand for that sort of expression.

In which case, you would need to "check for a fault in the safety circuit that disconnects the power if the enclosure is opened"

Other interpretations are undoubtedly possible, but I'll bet this is fundamentally what it means.



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Note added at 29 mins (2005-11-03 11:42:30 GMT)
--------------------------------------------------

Another possible interpretation could be that there might be a fault in the 'enclosure (safety circuit)', and so you'd need to disconnect the faulty circuit to isolate another potential problem it might be masking. However, given the way it is phrased, I think this is a much less plausible interpretation.
Selected response from:

Tony M
France
Local time: 09:33
Grading comment
many thanks, thanks also to Kenneth and Harry, I am still waiting for client to tell me "the truth"
4 KudoZ points were awarded for this answer



SUMMARY OF ALL EXPLANATIONS PROVIDED
3 +1possible explanation
Ken Cox
3See explanation below...
Tony M
2a long shot....
Harry Borsje


  

Answers


24 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5 peer agreement (net): +1
possible explanation


Explanation:
The 'disconnect' is puzzling. I'm inclined to place it together with ''fuses in dryer stations 1-6' to mean the switchbox or fuse panel for the dryer stations.
As for 'enclosure fault', that's a fault condition generated by a switch (possibly driving a latching relay or actuating some sort of electronic status) that detects whether the enclosure has been opened. Quite common these days in PCs to detect tampering, but probably used here as a safety measure (shut down the equipment if the enclosure is open).

Ken Cox
Local time: 09:33
Specializes in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 128

Peer comments on this answer (and responses from the answerer)
agree  Tony M: Personally, I'd lump the disconnect and enclosure together (see my suggestion) -- but I think we're both basically saying the same thing.
4 mins
  -> Yeah, with text like this that comes close to 'using words like blunt instruments', all you can do is guess.
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26 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5
See explanation below...


Explanation:
1) First of all, I think again this is a case of missing punctuation; I would imagine the sentence should really read:

"Check AC drive breaker and fuses in dryer station 1-6, (and check for a possible) disconnect enclosure fault."

2) I think you'll find they are talking about a safety circuit that 'disconnects the power when the protective enclosure is opened' --- this would be typical techie shorthand for that sort of expression.

In which case, you would need to "check for a fault in the safety circuit that disconnects the power if the enclosure is opened"

Other interpretations are undoubtedly possible, but I'll bet this is fundamentally what it means.



--------------------------------------------------
Note added at 29 mins (2005-11-03 11:42:30 GMT)
--------------------------------------------------

Another possible interpretation could be that there might be a fault in the 'enclosure (safety circuit)', and so you'd need to disconnect the faulty circuit to isolate another potential problem it might be masking. However, given the way it is phrased, I think this is a much less plausible interpretation.


Tony M
France
Local time: 09:33
Specializes in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 304
Grading comment
many thanks, thanks also to Kenneth and Harry, I am still waiting for client to tell me "the truth"
Login to enter a peer comment (or grade)

43 mins   confidence: Answerer confidence 2/5Answerer confidence 2/5
a long shot....


Explanation:
the previous sentence has already dealt with possible causes (for the absence of supply power) due to normal controle elements (safety switches and stuff), and this sentence deals with other safeties that may have cut the power; along that line of reasoning this could be interpreted as:

check breaker and fuses 1-6 for possible *interruptions*

(interruption being a disconnection and also a fault/malfunction, enclosure is a bit funny but could refer to something like internal)

I wonder waht the others think of this?

Harry Borsje
Netherlands
Local time: 09:33
Specializes in field
Native speaker of: Native in DutchDutch
PRO pts in category: 20

Peer comments on this answer (and responses from the answerer)
neutral  Ken Cox: 'enclosure fault' is a standard term (try googling it)
1 hr
  -> I see, but IMO enclosure fault LED's are not for tampering detection but to signal a fault condition (e.g. overheating) *inside* the enclosure; the term is in that sense also used in connection with kV-power systems (would fit here)
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