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I have a PW 9110-6000 VA unit with 2 additional battery modules, (total 100 batteries - 35 Ah) The battery charging circuitry appears not to be working as the UPS constantly discharges the battery packs even with normal input of 230v. the discharge rate is approx. 600mA with no load on the UPS output. I have temporarily provided an external charging system arranged to provide 14.1 v across each battery which has solved the discharge problem and the UPS works perfectly. However, I am concerned regarding the standing voltage of ~285v being applied to the UPS across the battery packs. If possible, could you please provide some basic information regarding the charging circuitry to enable me set-up / repair, or failing that, confirm the "safe" battery voltage under charging conditions. I look forward to your response Thank you
Well, the charging voltage is the right one, you may have a problem with charger board, did you check that? tbe 2 big capacitators, maybe you will need to change them, there could be a couple of things, and to be honest i don´t have the circuits sheets, cause i stopped working with powerware.
Posted on Jul 29, 2008
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Posted on Jan 02, 2017
Tips for a great answer:
It takes corrective actions by adjusting the regulated voltage.
It performs diagnostics and driver notification
Load Shed 2 Start
Less Than 10.9 V
Battery has a net loss greater than 12 AH
Rear defrost, heated mirrors, heated seats cycled OFF for 50% of their cycle. The BATTERY SAVER ACTIVE message will be displayed on the DIC.
You have a charging problem or battery problem !
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