Question about Maytag M6Y18F7A Air Conditioner

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Noise when compressor kicks in

When the compressor is called for there is a period of loud chatter, like a motor starter chattering before the coil holds. After that it runs well. I have not yet taken this apart. It belongs to my neighbor and Maytag is giving her a bit of a run around, so she has asked me to help. It is still under warranty so I am reluctant to open it. I do have a background in applaince repair and industrial/commercial/residential wiring.

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Re: noise when compressor kicks in

A leaking starting capacitor could cause this, but you got it, dont do nothing, the waranty could be void by you, claim it ...good luck

Posted on Aug 08, 2006

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Why does my Duro-Therm by dometic roof top air conditioner make extra chatter noise on high speed but not on low speed?

clen fan blades at both end of motor. the temperture will be colder at lower fan speed. depending on age and useage the bearings might be going out in motor.

Aug 18, 2014 | Dometic Rooftop RV Air Conditioner

1 Answer

Why compressor loud?

Good Afternoon Friend,

I understand that the compressor is loud on your Frigidaire air conditioner, model# FAH106N1. Today's high efficient compressors may have a high pitched chatter during the cooling cycle. This is just the way they were designed. I ask that you please follow up with a comment on the post, at your convenience, to advise if further troubleshooting is needed or if your appliances status has changed successfully.

-Best Regards-


Jun 20, 2014 | Frigidaire FAH106N1 Wall/Window Air...

2 Answers

New A/C Unit makes loud noise when it starts up

It shouldn't be too loud. You don't explain where the noise is coming from? The air handler/furnace or the outdoor unit.

Jun 13, 2013 | Air Conditioners

1 Answer

A relay in my rooftop model 57915.33 chatters intermitently and trips the shore power breaker.

The reason the lights are not flickering and breaker not tripping when 6 pin harness disconnected that goes to roof unit is because the compressor and fan are disconnected, which would be the major draw that causes it. There is a few ways you can narrow down the cause, or defective relay, but my guess is if it's causing lights to flicker and breaker to trip, it's on the compressor circuit. The fan coming on and off unless capacitor faulty wouldn't draw it down that much, and obviously capacitor is good otherwise it wouldn't operate good when turned on normally. I'd start by inspecting wires to and from thermostat for possible rubbing or touching against one another at a bare spot perhaps. Can't rule out 100% that thermostat isn't defective as well. When thermostat set to cooler temperature, and on, does it turn off and on in normal cycles, to maintain temperature?

Nov 27, 2011 | Dometic Rooftop RV Air Conditioner

1 Answer

Room a/c works great for hours and then compressor just stops

the unit may be knocking off on defrost if the coil is getting v cold,

check for full airflow over the indoor unit/evaporator coil, check filters fan operation and coil condition. Likewise it may be overheating so check the same on the outdoor unit/condenser clean coil and fan operation.

Unlikely but the unit may be under performing and slightly short on refrigerant, not providing enough suction cooling to the compressor motor so the internal over temp klixon would cut it off for short periods, to cool the motor.

Jul 05, 2010 | Samsung AW1203B Air Conditioner

1 Answer

After replacing my Run and Start capacitors at the advise of this website, the problem continues. The compressor chatters loudly, then the fan comes on and the chatter stops. The unit is a RUUD Heat Pump...

If I were there I would do a pressure check on the system.
Then a locked rotor amp draw on the compressor.
Then a amp draw on the fan motor.
I would compare these figures to the specs on the service plate and look for a variance.
I would also thoroughly visually inspect the contactor for loose connections and pits or burns on the points.
I would remove the wire terminal cover on the compressor and check the wires and terminals for burns ,loose, or corrosion.
I would also do a mfd check on the replacement capacitor to make sure it is correct as well as capacitor voltage rating at 370 or 440 volts.
If all checked out OK I would add a start assist capacitor to the S/R capacitor.
If all this fails your compressor may be developing bad valves.

Jan 03, 2010 | Ruud Handle Air Conditioner

1 Answer

I hae a electric heat pump and gas furnace, when utilizing the heat pump i get chattering from a relay, i have replaced this relay with a new one but continue to get chatter any ideas

chatter on a relay can mean a few things but since you have just tried to replace it, i wouls check the voltage at the relay,,,,
chatter is caused by i mproper voltage at the relay, coil,

Nov 03, 2009 | Air Conditioners

1 Answer

1990 Dolphin Motorhome Dometic AC problem

If your fan motor is slowing or stopping mid cycle it will cause the compressor to over pressurize. Many compressors have aan internal mechanism that will kick in with a loud whooshing noise, then the Thermal protector shuts the compressor off, cools then restarts. If this sounds familiar, you will need to replace your fan motor before you burn up your compressor...which to be honest may already be irreparbly damaged(sorry). Hoping 4 the best.

Jul 11, 2009 | GE Quiet-Aire Ductless Split System Air...

1 Answer

Loud bang, sounds like the motors going to drop out when the compresser kicks on,17 years old, relpace/repair

The actual internal motor in the compressor dome is mounted on springs. Over time these get weak and hence the loud bang noise when the motor hits the sidewall of the compressor housing. It is not too serious and will probably work for ages. Just anoying. Leave it until it really packs up.

May 04, 2009 | Air Conditioners

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