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9175399
Motor is
overheating.
12
1/4 HP Furnace Electric Motor
1. Broken or
disconnected ground.
2. Hot power lead is
connecting to the
motor frame.
3. Motor overloads
during operation.
4. Starting windings
remain active in
circuit as motor
accelerates.
5. Worn or poorly
lubricated bearings.
6. Inadequate ventilation
reaching the motor.
1. Reconnect or replace the ground wire
and test for proper ground.
2. Have a qualified technician inspect
the motor and repair/replace the
defective wiring.
3. A moving part of the motor may be
binding. Inspect the motor to see if
any parts are touching. Check to see
the motor's shaft is straight.
a. Run the motor under normal load
and check the amount of current it
is drawing.
b. Disconnect the motor from its
load and check the current drawn
while running under no-load.
c. If the current draw is excessive
under load, but normal when
there is no-load, Inspect the load
to determine the problem.
d. If the no-load current is above the
listed rating, have the motor
serviced or replaced by a qualified
technician.
4. Switch motor off to listen for a click.
This is the centrifugal switch closing
as the motor slows.
5. Damaged or poorly lubricated
bearing can be heard. This may be a
result of wear, inadequate oil
reaching the bearings or the motor
overheating. Contact Princess Auto
Ltd. for a solution.
6. Clean/clear all ventilation openings.
Use dry compressed air if blowing
debris out of the ventilation
openings.
For technical questions call 1-800-665-8685
V4.0
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