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F01 message (battery overload) every morning

Discussion in Back-UPS & Surge Protectors started by Ian , 3/23/2011 1:11 PM
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Posted in: General

F01 message (battery overload) every morning

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  • supercell


    Up until yesterday everything was fine.

    Yesterday: I hear a high, steady beep. I walk over to my PC. It is dead. The 1500 XS has the message "F01" on it and, again, it has a steady beep. I press the power button - it shuts off. I turn it back on. Battery light is empty and blinking. Start up my PC and all is fine for the next 24 hours. This morning around the same time it does the same thing. Is this some sort of battery test that runs every 24 hours? Has my battery reached a point where it no longer can support my 850 watt PC PSU, or is this some sort of power spike that is hitting every 24 hours starting yesterday? Nothing has been added to the UPS.

    Any ideas? Any suggestions would be great!

    Thank you in advance.

  • clarkson

    F01 means on-battery overload. This message occurs when the unit has gone to battery due to an input power problem and the power drawn by the attached equipment exceeds the unit's watt and/or VA capacity. I recommend reducing the load and monitoring the UPS for this behavior.

  • cstuetz

    Can you tell me what is the maximum load for this product?

    I'm having the same problem and it says my current load is between 60 and 71 watts.

    Thank you!

  • wpasquil


    If you have a XS1500 the maximum load is 865 watts. We recommend keeping the unit at or below 80% of maximum load or 692 watts.

    How old is the battery? At the load you are running the UPS should not be overloaded. 

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