How to test an attic fan motor and thermostat.
Attic fan thermostat test.
Once done test that the motor still works by plugging the motor into an extension cord that is connected to an outlet.
A fan that won t run is often caused by a failed motor or a bad thermostat.
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Replacement thermostat for the lomanco 2000 1800 power vent factory set adjustable thermostat on at 100 degree farenheit and off at 85 degree farenheit push to test button model number.
If the fan turns on the motor is still good.
Step 2 test the thermostat.
Turn the attic fan off and unplug the motor from the thermostat.
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Likewise adjustable thermostats will shut the fan off.