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Mend Securit 800L Power Panel Mains Day

how can I fix my securit 800L?

while on holiday there was a power cut and now cannot program the panel even though the mains and day lights seem to be in order.

roy feris
June 2013
SecuritSecurit 800LSecurity Systems, Home Alarm SystemsPower Panel Mains Day
the standby battery is shot u need to replace it,bet u never had the system serviced,remove mains power before you open the control unit,(the big white box )

gts
June 2013

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Securit 800L: No Programming After Power Cut