FANS RUNNING

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04-06-2014, 05:49 PM

mdcontracting

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FANS RUNNING

Hi guys.
Used the Clarks Garage test to check my relay and all was well so I bought a new thermo switch and installed it.

My fans still run all the time.

Any ideas. New switch bad?

Thanks

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04-06-2014, 07:56 PM

931guru

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Did you test the switch (ohmmeter and hot water) before installing it?

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04-06-2014, 08:05 PM

mdcontracting

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Quote:

Originally Posted by 931guru

Did you test the switch (ohmmeter and hot water) before installing it?

Nope like a dummy. Ill do that before moving on.
Thanks...

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04-06-2014, 08:23 PM

odonnell

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You don't need to uninstall it to test. It should read infinite resistance at room temp, and almost zero at operating temp.

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04-07-2014, 02:15 AM

william_b_noble

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if you unplug the wires to the temp sensor and the fans still run, you can quit looking at the sensor

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