Question about Maytag M6Y12F2A Air Conditioner

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AC window unit pops circuit breaker

My Maytag Air Conditioner keeps popping the circuit breaker. The unit is 7 years old and I noticed that the cord is getting warm when the unit does run. I did clean the filter thinking that it had enough dust buildup to block air flow. What are some trouble shooting ideas I should try or is there a more drastic problem that I should be aware of?
Please let me know as it will be in the mid 90's again today.
Thank you,

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Tripping breakers and your cord getting 'noticeably' warm to the touch are both 'bad' signs - and the most likely problem is either your compressor or fan motor is getting ready to 'quit' on you - which constitutes (in most cases with window units) making the smart move toward a 'new' or 'newer used' air conditioner.

There are however a few things you might try:

First - up-plug the AC and take it out of the window

Second - take the outer cover off - so you can see inside real good. Look for 'loose' electrical connections (loose connections generate excess electrical heat) - "tighten" any connections that are loose. Note: be sure and check the plug - see if the prongs are loose/wobbley, (if so you might need a new cord) check where the cord ties into the window unit - check the electrical components to make sure their connections are good and tight - any wires you find 'wire-nutted' together (with those colored plastic wire nuts) - take them apart and 're-do' them - making sure they are tight.

Check the connectors on the"capacitors" (grey/silver/black items from the size of a pack of cigerettes to 2 or maybe 3 times that big) - make sure they are tight on the connectors.

You may have to take the (spades) off the connector and using pliers - crimp them down so they will fit the connectors good and tight.

On the compressor itself - follow the wires (usually 3) to the little removable cap (usually a metal clip holds it in) - take the clip off and pull the plastic cap out and you can see the compressor terminals. Be sure the wires that are attached (usually with wire spades) are good and tight. If they aren't - carefully remove them - re-crimp and re-install - making sure they are tight. Note: in some cases you might need to put a new spade on the wire.

After doing all that - take a water hose and make sure both coils (evaporator where cold air comes out and condenser where hot air comes out) are good and clean. Note: you don't have to be 'real' careful with the water - but try to not get water in the electrical components/wires.

You have to make sure they are both 'real clean,' and of course the filter that goes in front of the evaporator coil must be clean - but you indicated you've already changed that.

Hopefully - you will find some seriously loose connections and once you get them tight and the unit washed real good - you'll be ok, but if it keeps tripping breakers - and the AC cord continues to feel excessively warm to the touch I would think you will need to start thinking about either a Service Tech to repair the AC or buying a new/different one.

As I noted above - if it's a fan motor or a compressor that is bad - you are better off (since your unit is already 7 years old) in my opinion to try and secure a new AC or a fairly new used one - 'especially if it's the compressor.

If it's the fan motor - and your Service Tech gives you a 'fair' price for a changeout, i.e. 'half' what a brand new unit of the same size would cost - then I'd probably let him do that - but try and get a warranty from him of at least 90 days (parts and labor).

Good Luck!

Posted on Jul 06, 2010

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