Mend DSC 9800/9827 Home Alarm Systems

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Mend DSC 9800/9827 Key Control Panel Showing

Key pad 9827 with control panel 9800 suddenly went off showing bF?

My key pad 9827 with control panel 9800 suddenly went off while I was indoors and it had not been set. It showed In red bF. It has done this twice 10 minutes apart.
I have checked all the alarmed places and the motion light is still coming on.
Why is the alarm going off when it has not been activated?
Would you please tell me how to rectify this?
I am not alarm savvy and would appreciate your help.
Jo

Jo
May 2020

DSC DSC 9800/9827 Security Systems, Home Alarm Systems Key Control Panel Showing

https://securifix.com/downloads/Scantronic%209800%20User%20Guide.pdf

http://www.touchpoint-online.com/sites/default/files/9800plus16_inst_guide_496241_iss4.pdf

awgwerg
May 2020

Thanks Alan, your advice is useful.
I will contact the engineer for the code for reset afterwards -- I hope he gives it to me.

Jo
May 2020

hi jo, system is intelligent and constantly monitors the standby battery condition. bf indicates battery failure and requires it to be replaced. battery is in the main control box.
simple to replace but be aware you may need the engineer code to reset afterwards.

alan
May 2020