Question about Reddy R155D Utility Heater

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Fan motor turns half way then gets stuck

This reddy heater 115htr was a christmas present. when it is plugged in it hums . The fan motor turns half way and then gets stuck. If you use your finger and spin it it takes off. It should be under warranty. Please Help

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  • dkdurben Jan 10, 2009

    We live in Albert Lea MN. 56007 . Were is the closest place to take it back. Thank You

  • bubba k Jan 15, 2009

    I have the same heater with the same problem. Heater only has a few hours of use. Heater won't start. If I lift the lid and spin the fan by hand, then I can plug it in and it will go just fine for 3 or 4 starts before the problem repeats.



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Start windings in the motor are bad, and the motor should bereplaced under warranty or heater returned to the store.

Posted on Jan 10, 2009

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  • Reddy Master
  • 3,253 Answers

Yes it should fan is sticking needs to be taken back

Posted on Jan 10, 2009


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Hi, first unplug the heater, then remove the top so that you can see the fan motor. Try to turn the fan by hand. It should turn fairly easily. If it doesn't, try lubing the bearings. 3-n-1 makes an oil bottle with a long spout that can reach inside the motor to the bearings. If you don't have any, try some WD-40. If that works then you can get some oil as the WD-40 will be very short term. If this doesn't help, remove the filter cover from the back of the motor. Then loosen the 6 screws that hold the other half of the filter cover to the motor but don't remove them. Now check the motor and see if it turns freely. If it does then the problem will be in the air compressor. Tilt the motor toward the fan to prevent the fins from falling out of the compressor rotor and remove the 6 screws and the filter cover from the back of the motor so that you can see the compressor rotor and look for anything that would cause it to bind up. It could be from buildup on the part you removed or behind the rotor. If none of this frees it up you will probably need a new fan motor. Let me know what you find and if you need any help finding a fan motor.

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It just hum when you try to start it

Turn off the power and remove the top cover. Try turning the fan motor by hand. If it is hard to turn, try lubing the motor bearings. If this doesn't help, remove the filter cover on the back of the motor. Now loosen the 6 screws that hold the other half of the filter holder to the motor and check to see if the fan turns easier. If it doesn't you probably need a new motor. If it does the problem is with the compressor rotor. Watch out for the fins that can fall out of the rotor and remove the filter cover from the back of the motor. If you tip the motor toward the fan the fins will not fall out. Inspect the rotor for anything that would interfere with the rotation.

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My Reddy heater torpedo multi fuel heater won't start this year. It makes a loud humming noise for a minute or so and then nothing. If I try starting it a few times in a row it will make the noise...

Remove the top cover and rotate the fan by hand. If should turn pretty easily. If not may you can put some oil where the shaft passes through the ends otherwise you will need a new motor. If the fan turns easily then the capacitor is probably shot. I don't know if you can get the capacitor seperate from the motor or not. There is a small low pressure compressor attached to the back of the motor. Your problem may also lie in there. The covers come off easily so you can check it out.

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2 Answers

Hums but wont fire

Remove the top cover, plu it back in and see if the hum goes away, if it
doesn`t look to see if the fan is stuck, if it is unplug and try to spin it
by hand, if it wont spin replace the fan motor

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The R150B uses motor #097308-06, has a split phase motor. The secondary windings, which give the armature a jump-start, have gone bad. The motor is not serviceable. Try - they seem to have the most parts.

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1 Answer

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Thanks for your question,
Sounds to me like you have a faulty fan in the unit, could be stuck, or might be a bad fan motor, try unplugging it first, find something to insert where the fan is and try spinning the blade, if its stuck or has alot of resistance, then you have a bad motor, if its free spinning, then try plugging it back in and see if it works, sometimes just by manually moving the motor shaft it frees it to work, if it still doesnt work, then you might look at replacing the fan motor, or replacing the unit, hope this helps ya,

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Your problem may be as simple as the vanes of the rotor stuck to the pump body, or a rats nest binding the fan blade, or the starter relay being defective (if equipped ) . On the other hand, the bearings in the motor could be frozen up. The motor is not servicable and must be replaced. Start by disassembling the air pump, remove the vanes & rotor, then attempt to start the motor. If it still hums, then you have motor or relay problems.

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