Question about Ruud Handler Air Conditioner
I have had a RUUD UBHC-21J18SFA air handler for 4 years. The fan runs for a while and then stops and there is a burnt smell. If I let it cool down for a while, it will start again and do the same thing about 30 minutes later. I checked the filters, they are O.K. No major dust accumulation in the unit. I noticed the blower wheel (squirrel cage) has a slight vibration laterally when it spins, sort of off balance, but nothing major, it doesn't rub on either side. The motor becomes very hot to touch while running. I can turn the fan with my fingers when the power is off, and with a slight swing, it will spin for approximately 3/4 of a turn. Somebody told me it should turn 4-5 times around with a manual spin before stopping... I took out the cage and the motor and can turn the motor shaft manually but it seems a little sticky.
Is the problem the motor? or the capacitor? Or is the slightly off balance cage causing the motor to overheat?
Any diagnostic tests I can do myself to find the SOURCE of the problem?
There are other motors out there that will fit what area do yo live because someone should have one or go on the net and try USA Manufacturing out of Lebenon IN. or let me know
Posted on Dec 11, 2008
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Posted on Jan 02, 2017
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