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How can I fix my Scantronic 500r alarm?

How do I change the batteries in the PIR detectors.
Bob Smith, July 2010
Hi Bob,

Just to say...I'm in the same boat as you :-(

Inherited the alarm system (500r)

I've got the user code but the engineer code has been changed from the default so can't disarm to replace detector batteries.

Let me know if you find a solution and I'll do the same.

Kind regards,
John

John Harrison, September 2010
link Click here to see other fixes for Scantronic 500r.