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Anonymous Poster

DC POWER SUPPLY

08/07/2009 12:38 AM

IA HAVE APLAB DC POWER SUPPLY MODEL NO LQ6324 0-32V OUTPUT. THERE ARE SOME PROBLEM DURING MESURING VOLTAGE. THE DISPLAY SHOW ONLY 21-30V RESPECTIVELY BUT DOESNOT SHOW 0-20V. SO I WANT TO KNOW THE TROUBLESHOOTING OF THIS POWER SUPPLY

THANKING YOU
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lyn
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Join Date: Oct 2008
Posts: 42355
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#1

Re: DC POWER SUPPLY

08/07/2009 12:51 AM

Turn caps lock off. Go here:
Aplab - Leading Manufacturer and Exporter of UPS Systems, Test and ...
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jack of all trades
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#2

Re: DC POWER SUPPLY

08/09/2009 3:49 PM

Does the power supply have a voltage range selector? Have you looked in the manual?

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garth
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#3

Re: DC POWER SUPPLY

08/09/2009 8:53 PM

Do you have output on the 0-20V range? if not it could be faulty relay on the transformer tap, otherwise trace your voltmeter leads to where they pick up the voltage to be read and look for faulty switch contacts or dry joints. I would need circuit diagrams to be more specific.

Hope this helps a bit.

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PWSlack
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Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
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#4

Re: DC POWER SUPPLY

08/10/2009 2:50 AM

It sounds as though its Caps Lock is turned on.

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