Blower Motor Will Not Run
Does Blower Wheel
Spin Freely
115 Volts at
Furnace
115 Volts at Motor
Connector
Check Fuses
Disconnect 16 Pin
Signal Connector
From Motor
24VAC BetweenPins
1 - 12
2 - 12
No
No
Yes
No
Yes
Yes
No
No
Blower Rubbing
Against Housing
Repair or
Replace Wheel
Replace Motor
Yes
No
Verify Correct
Furnace Wiring
Repair Wiring
Replace Power
Cord
Yes
24 Volts R-C on
T erminal Strip
Yes
Replace
Fan Center Relay
No
Check Wiring
Replace Cable
Place Jumper on
R-W
24VAC
BetweenPins
1 - 2
Check Wiring
Replace Cable
Place Jumper on
R-Y
24VAC
BetweenPins
1 - 6
Check Wiring
Replace Cable
Place Jumper on
R-G
24VAC
BetweenPins
1 - 15
Check Wiring
Replace Cable
Check Pins in Connector
and Motor. Reconnect
Signal Connector
Connections are
Good
Replace Cable
Replace Motor
Yes
No
No
No
No
No
28
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