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Mend repair fix Scantronic 9800 home alarm systems

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scantronic 9800 tr fault code?

i have a scantronic 9800 alarm system and it has started coming up with a tr fault code which the book says is a "External bell tamper" problem. When this happens the internal and external alarm goes off and I have to reset the unit.

Can any body advise on how to fix this?

Willers
December 2007
try negative loop to tr terminal on panel

C DYER
December 2007
Mend Security Systems, Home Alarm Systems
Mend repair fix Scantronic 9800 home alarm systems

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Mend Security Systems, Home Alarm Systems
Mend repair fix Scantronic 9800 home alarm systems