Circulating fan does not shut off
Checking - temperature controller and thermocouple
Testing the thermocouple…
1. Remove the (small) red and white thermocouple wires from the back
of the temperature controller
2. Install a jumper wire between the two terminals
✓
If the fan stops running, the thermocouple is defective
✓
If the fan continues to run, the temperature controller is defective
thermocouple
wires
➢
Caution…
do not remove the wrong red and white wires
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