Question about Heating & Cooling
SOURCE: APC UPS CS 500 (BK500EI)
If you can repair pcb then check overload protection section.There is some shortinng in components or ic could be demage.
Hope this be of initial help/idea. Pls post back as requested, how things turned up or should you need additional information.
Good luck and kind regards.
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Posted on Mar 08, 2008
Make sure the connection that supply the inverter its power is tight. A major cause of overload light coming on is a low voltage on the battery if it is getting supply from a battery, and loose connection on the power supply. All in all if the voltage that power it is lower than what it operates on it would do that.
Posted on Jun 28, 2009
in the end solution is you have to bring it nearest apc service.
if you loaded more than its max. capacity at past, the sensor of power is geting burn the sequare wave generator IC.
so you need help with that, olso complicated.
I live the same position with my rs1000, horrible :((
Posted on Jan 09, 2010
The battery may be new- but how much charge does it have? The inverter has a high and low battery warning.
If the inverter has no load upon it, it may see the battery potential as high. so if you put a load on it such as an incandescant lamp, in parallel to the inverter, and as an inverter load it should circumvent the warning. Then it is a matter of fine tuning the setup.
Posted on Jan 04, 2012
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