I have several Whirlpool ACE184XD1 PTACs installed in vacation rental units. One of them has a fan motor which has started to intermittently "squeal". I oiled the bushing and also had a tech come out and look - he did the same thing I did. FInally decided to replace the motor but can't remember how it installs in the unit. I have someone in the room right now so can't afford to have the unit out for long so I'm trying to figure out how to do the job before the new motor arrives tomorrow. I seem to recal there were a couple of clips - one fornt one rear but couldn't see how to release them. Anyone have an exploded view of the installation or any idea how to do this?
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Code 67 ODU fan motor not rotating or proving rotation. Verify fan motor plugged in correctly & fan rotates freely. This can be a failed motor, failed board or motor could have failed and caused board failure as well. Verify 310V DC on motor wires separated by empty terminals on plug with motor plugged in, 0V DC = failed PCB, 310V DC = likely failed motor. Next step: Unplug motor and manually spin the fan (keep it spinning): on same wires you just tested, 0V DC indicates motor failed and caused board failure. 14-30V DC indicates a good motor
Check capacitor to be sure it's not weak also if after you push start the fan, if it has a chirping sound, it may have a bearing issue in the motor. Note if you are cleaning the units with a pressure cleaner be extra careful so you do NOT get the motors wet due to some of the smaller motors used in A/C units are moisture sensitive
If your fan is working this is a good thing. So we know we have good power to the unit.
Your going to need to remove the cover from the unit, remove several screws to get access.
Make sure power is off and where the compressor is, on top remove the cover where the power connects inside and make sure there is no wires burnt, if all is well, move onto the capacitor.
Its usually the cause of compressor failure. Write down where the wires are located on the capacitor (read the top of capasitor) and take the capacitor to a local appliance supplier and have them test it and if bad then purchase a new one and replace in your unit.
Also make sure to verify no wires are burnt in the unit or melted together, and it never hurts to clean it while you have it out.