7)BLOWER DIAGNOSIS ALL MODELS
Check to make sure that the fan is plugged in.
Make sure the fan control knob is in the “ON”
position.
Make sure the two wires are connected to the
fan temperature sensor.
Make sure that the two wires are connected to
the blower.
Make sure there are no broken, damaged or
frayed wires.
Make sure that the fan sensor is secure and that
it is not damaged.
Using a supply cord connected to the blower, plug the blower directly into wall outlet.
By pass the fan temperature sensor with a jumper wire.
By pass the fan controller with
a jumper wire.
If the blower does not work,
replace the blower.
If the blower works, replace the fan temperature sensor
If the blower does not work, replace the fan controller.
MAKE SURE THAT THE FAN SENSOR IS AT OPERATING TEMPERATURE BEFORE TESTING THE FAN CONTROLLER.
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| Sherwood Industries Ltd. | ENVIRO | PAGE 19 |
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