Question about Panasonic Room Air Conditioner CWXC104HU
The 'squeaking noise' you hear is pretty much 1 of 4 problems with the unit.
1) Most likely it's a fan motor where the bearings are going out (metal to metal is causing the squeaking). The 'fix' for this problem is to change the motor which will run around $150 if you call a repairman, maybe more depending on the motor. I've been told there are still mfc's who put motors in their units 'that can be oiled' and I'm not going to say that's not true - but I haven't seen a motor that can be oiled - in years. They (mfc's) just don't do it anymore - after all - 'we're in a throwaway society you know.
Speaking of which - it might be 'cost effective' for you to think about buying a new unit, i.e. the cost of a new unit over the cost of repairing what you have. If you spend the extra cash for a new unit - then everything is "new" especially the compressor which is the heart of any AC unit.
2) Sometimes 'compressors' will also squeak - again it's bearings that are causing the noise and if it's a compressor - then you are in big trouble and should 'seriously' start thinking about a new AC.
3) a third possibility but not very likely - and that is it could be something as simple as a fan blade/squirrel cage (the fan mtr turns a blade and usually a squirrel cage) hitting some other part of the AC in such a way where you think it's squeaking you are hearing. I doubt if this is the case but if you pull the unit and take the cover off and 'turn the unit on' you might be able to determine this (for sure) and make an adjustment/fix on the spot.
4) lastly ... here is something I've done in the past. If you have the unit out of the window and the cover off - take a look at the fan motor and see if it's possible to take a drill and drill a very small hole on each side of the motor where the bearings are encased. (Note: drill the hole 'on top' of the encasement) - Then you take a oil can/plastic bottle and try to get some oil down on the bearings. This is a long shot (having a place to drill a hole) but if you can get some oil down on the bearings (remember you have bearings on both ends of the motor) it will extend the life of the motor possibly for years.
Like I said - I've done this (successfully) in the past. The big problem is that some motors don't have the 'built up encasement of the bearings' and so it's not possible to drill anywhere.
Posted on May 07, 2010
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Posted on Jan 02, 2017
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