Question about Powerware 9120 UPS System

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Control board for 9120 6kva - Powerware 9120 UPS System

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Dear " youlooklikea " is the control board avaliable

Posted on Jul 09, 2010

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710-12102-0X - PCBAS 9120 5-6KVA CNTL-1112NN - £107.67 + delivery + VAT from the Manufacturer - Eaton Power Quality Ltd

Posted on Jun 17, 2009

  • Border Sep 15, 2013

    youlooklikea, I have a problem with a Powerware 9120 displaying Batt Disconnected. They are in fact new batteries that were installed a week ago. The unit was placed back into service and appeared to be working fine. It took a week to shutdown again on Batt Disconnected. I have checked the set up on the unit to find it is in free run mode, however the only parameter that does not apper corrdct is the Bypass Go which is set to ON and I cant get it to OFF?. I have checked the 2 x hrc fuses inside the unit and they appear ok however the unit will not powerup and ppppppppppppppppppppppp appears across the screen following switch on. The charger ouput voltage is at 265 volts the battery is at 127 volts.


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Apc smart ups 1000va when we insert the batteries the n-channel mosfet transistors was burn. what the causes and how to solve this problem.

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replace the controller board

instead get a new one too many things to resolve
if your batteries burn out the inverter then its some timing issue
not worth it to repair the board
replace the whole control or new one!!! and reuse the cells {ebay}

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Problem locating:
That's an internal failure, control GDEx, MIZx, CHAx.

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