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AC inverter dead - Westinghouse L1975NW Monitor

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Please look here: http://www.instructables.com/id/How-to-repair-a-Westinghouse-L1975NW-19quot-LCD-/

Bad caps, blown fuse, blown MOSFET.

Posted on Feb 08, 2010

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Posted on Jan 02, 2017

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Checking AC Output
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1 Answer

Hi I have a Tripplite 3636VR connect up with 3 X 200AH batteries in series. The inverter works fine when connected to city power, when the city power fails the inverter takes over noramlly, I then go and...


check the system but you may have to turn off the batteries
the inverter is charging the batteries but when mains power fails , the batteries will be discharging back through the inverter that is dc converted back to ac
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If you had mains power on then it would dead stop the genset because of the out of phase situation
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Sustained high output is totally dependent upon the power source. What it's doing is protecting itself. DCDC Shutdown indicated 'An overload or system Fault'

Possible problems that would cause this:

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Click here for a PDF copy of the manual. It is quite well documented.

BEST REGARDS,
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