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Incubator Q&A

Welcome to the staging ground for new communities! Each proposal has a description in the "Descriptions" category and a body of questions and answers in "Incubator Q&A". You can ask questions (and get answers, we hope!) right away, and start new proposals.

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Incubator Q&A How can I test a monopole timer switch?

I have a Lutron Maestro MA-T530G. I installed this to control an old bathroom fan which was malfunctioning. I'm planning to replace the fan anyway later, but I wanted to have a timer in the meanwh...

2 answers  ·  posted 1y ago by matthewsnyder‭  ·  last activity 1y ago by manassehkatz‭

#2: Post edited by user avatar matthewsnyder‭ · 2023-09-21T17:33:27Z (about 1 year ago)
  • How can I test a timer switch?
  • How can I test a monopole timer switch?
#1: Initial revision by user avatar matthewsnyder‭ · 2023-09-21T17:33:13Z (about 1 year ago)
How can I test a timer switch?
I have a Lutron [Maestro MA-T530G](https://www.lutron.com/en-US/Products/Pages/StandAloneControls/Timers/MaestroTimer/Overview.aspx).

I installed this to control an old bathroom fan which was malfunctioning. I'm planning to replace the fan anyway later, but I wanted to have a timer in the meanwhile. After some time of working as expected, the fan stopped working entirely.

I know for sure the fan is broken, because I replaced the timer with a regular switch and it still won't work. It's probably because the low-voltage timer draw didn't play nice with the fan, but that's beside the point. I'm worried now that the timer is dead also, so I'd like to check if it is.

Best way I can think of is to wire it to a light and try it. But I don't want to needlessly mess with house wiring. Regular switches are easy to test with a multimeter, but I guess the time requires a current supply to switch on at all. I tried holding it down and using a multimeter, but got no contact - so either the timer is broken or that method doesn't work.

Is there a better way to check if it works?