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Janitrol Fan not Turning

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lahartline
lahartline Member Posts: 1
in Gas Heating
Hello. I have a Janitrol Model UCS50-55. The fan blades have stopped turning. I just get a loud hum. I turned by hand and it worked for an hour. I put a shot of WD 40 and it turned so good. For about an hour. Now won't turn. Any ideas on what is wrong and how can it be fixed? Is it the capacitor or the motor?

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  • HVACNUT
    HVACNUT Member Posts: 5,844
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    It could be the capacitor or the motor. My meter leads won't reach from here to test though. 
    Ironmanmattmia2
  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 15,567
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    Probably not the capacitor if you can't turn the motor over by hand. It's probably the motor.
  • mattmia2
    mattmia2 Member Posts: 9,702
    edited December 2023
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    if i won't turn with the power off by hand then a bearing is seized.

    I would pull the blower and take it apart before ordering a new motor to make sure something didn't get loose and bind up.

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