Question about CyberPower 1350VA UPS w AVR & LCD (CP1350AVRLCD) UPS System

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UPS Failure My UPS up and died today, no warning, running on wall-power, just *blink* and my system was off. After unplugging everything from the UPS, I turned it back on. It starts up normally except the fan does not turn on (as it usually does for a second). After about a minute, the LCD goes dark as it normally would (except the backlight stays on) and *beep* *beep* *click* when the LCD blinks which repeats indefinitely. I tried another wall socket and the same thing happens. Inside the UPS, the transformer core is rusted on one corner and popped open (sorry, pathetic camera phone): Perhaps a spark occurred here. Thank you for any assistance you can provide

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  • tamarazoe Jan 27, 2008

    I doubt it's just a fan failure. It doesn't normally run the fan while on grid power so it shouldn't be simply overheating.

  • tamarazoe Jan 27, 2008

    The computer works fine (thankfully). I am currently running off of a simple surge protector now.

    The fan I was referring to is a tiny 20mm fan inside the power supply.

    It's possible I confused you by referring to the LCD. The UPS I am using has a small LCD on the front of it to give load information and such.

  • tamarazoe Jan 27, 2008

    Thank you for the suggestion but I am interested in repairing my $200 UPS at the moment. A surge protector will not see me through a storm without downtime nor cleanly shutdown, risking software as well as hard drive complications.

    I forgot to look clearly at the fan connector but I believe it was soldered on. I could desolder it and then check or replace it. I'd love it if it were the fan, it would save me from having to ship this unit back to CyberPower.

    However, I'm looking for possible other problems. The appearance of the transformer bothers me as it suggests an arc occurred. However, no PCB or anything was blackened (which was one thing I was looking for opening it).

  • Anonymous Mar 19, 2008

    I removed the battery from mother board and the ups fan start working.

    After a few seconds the monitor give the folowing:

    cpu fan failure system shut off in 5 seconds.



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Get new fan in if its not working

Posted on Jan 27, 2008

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  • Anonymous Jan 27, 2008

    might have to re do your xp install when power droped it screwed it up repair it put xp cd in boot into it

  • Anonymous Jan 27, 2008

    i got ya proably just fan went out on it not sure if u can buy one or not i use monster power strips reg surge is fine long as bios is set to stay off after power failuer in storm u will be ok just not directto wall hd700 monster with clean power will protect u up to 150 000 thats 70 bucks at best buy

  • Anonymous Jan 27, 2008

    maby overheated cuse fan isse least put fan bye it on low ok keep it cool those things run hot now days computer if it shuts down wont hurt it back in p3 days it would sumtimes reset bios but i understand gotta keep it cool breathable off carpet 500 wats waiting for the power out in that upc so get fan on her



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