Scantronic 9448+ pir no power

ASB1 · 23 Oct 2020

Hi having changed a pir on a scantronic 9448+. I have no power to any of the other pirs. I have changed the fuse and still no power. Any advice would be much appreciated.

sparkymarka · 23 Oct 2020

Did you change the correct fuse ?

T1GERIII · 23 Oct 2020

Measured AUX output voltage?

The Pars · 23 Oct 2020

Changed the wrong fuse?

ASB1 · 23 Oct 2020

Hi yes changed right one. But changed the other two as well.

ASB1 · 23 Oct 2020

No reading on aux output. There is bell output though. So Tried pir on bell output and that works; however, fault still showing. If that makes any sense?

T1GERIII · 23 Oct 2020

What rated fuse did you put in, 1A? Is it still intact or has that blown without you realising.
New pir wired up correctly?

T1GERIII · 23 Oct 2020

ASB1 · 23 Oct 2020

Yes 1amp. Yea check pir is correctly wired. The fuse is still intact.

Handymanjo · 24 Oct 2020

Remove all pir aux wiring from pcb terminals and then take voltage reading without any devices connected.
Take photo of pcb and post pic

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Scantronic 9448+ pir no power

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