Pyronix PCX256 battery fault

4 Feb 2022
Reaction score
United Kingdom
My alarm was showing a Battery Fault 100 error, so I replaced the battery and all appeared to be well initially. However, after a few hours the Battery Fault returned, and shortly after that Low Volts. I'm wondering if there's a PCB fault that's discharging the battery? Any ideas please?
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Check battery fuse.
Where did you get new battery from ?
Not the first time new battery could be flat or fault,could have been on shelf for some time.

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