Question about Heating & Cooling
SOURCE: Mod ASU24C1
If the blower is made of plastic it does not have a set screw. You most likely need a new squirrel cage. They are formed to the shaft and have a compression ring that holds them in place.
Posted on May 29, 2008
probably the fan switch stuck on the fan combination control or improperly adjusted. Turn power off, remove red wire on the relay from the fan motor. Isolate so no short will happen and turn power on.The motor should not run. The fan relay could stick also. You will have to use a volt meter and see if there is voltage on the coil terminals on the fan relay. Put 1 lead to ground and touch only the terminal for the coil on the relay with the other meter lead.It should not have 120volts. If it does it is not the fan relay but possibly a limit sending power to the relay. Try that first thank you J
Posted on Dec 19, 2008
Follow your schematic on the new unit. It will tell you where the wire goes. Some of the "extra" wires are connected to the main board close to where the "used" wires are and they are labled "spare". Find the blower motor on the schematic and trace out where this wire will go.
Posted on Mar 20, 2009
Sounds like the start winding is shot. If the cap is good as well as the run winding but it will not start on its own, either the start winding or starting switch. In any event the cheaper thing would probably be to replace the motor. You could take the mottor to a motor shop and ask them if a repair would be possible or cheaper.
Posted on Jul 08, 2009
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