Question about Maytag MSD2758G Side by Side Refrigerator

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Compressor cycles on overload checked run cap it reads 15.7 ufs rated 15 .installed new overload and relay compressor still cyc;es. Installed a 3 and 1 and compressor ran. can I install the 3n1 permently also can you use a 15/370 run cap in place of the cap that is there.Unit is a Maytag Mod # MSD2732GRW. I ohmed the compressor 3.1 4.6 7.8 Windings megged okay. I Checked voltage at start winding no voltage or current noted

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  • Maytag Master
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The way I check compressor problems is : If it kicks off on the overload , remove the overload / relay . Check all 3 terminals with the meter set on beep . Also , check each terminal to any part of the copper compressor lines . A beep there would indicate a shorted compressor . I would then replace the overload / relay ( wiring correctly with the capacitor ) and connect an amp meter to the overload wire . Plug in the refrig and check the compressor run amps . New compressors usually run 0.7 amps . If the compressor runs anywhere above 2.5 amps , then a lot of wear is on it and not much longer life . I never use a 3 in 1 due to these are only a partial fix and will not last long . Actually , If a refrig comes into the shop , these are jerked off the compressor and thrown away . I consider 3 in 1 absolute junk and frown on any technician using them . Refrigerators come to our shop ( we pick up from lowes , home depot trade ins ) and I've thrown many away , which also means they cannot be permanently used .

Posted on Aug 02, 2010

  • Mike Smith
    Mike Smith Aug 02, 2010

    I have also never found a bad capacitor on a Maytag or Whirlpool refrig . Not saying it cannot happen , just that I have never found a bad capacitor on them .

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I have an Oster Compact Refrigerator Model OR3005L3B that stoped working while I was away on a two week business trip. The interior is warm with no fans running. The compressor is very warm/almost hot to...


Hi and welcome to FixYa, I am Kelly.
The compressor is attempting to start but not rotating. The click you hearing is the compressor thermal overload cycling. The start cycle shoud repeat about every 4 minutes initiating a start cycle for 15 to 40 seconds and then repeat again in approximately 4 - 6 minutes.
When a compressor will not start there can be many reasons:
1. The PTC start relay has failed
2. The run capcitor has failed
3. The compressor rotor is locked from an internal failure.
4. Wiring at the compressor connection has been hot and does not provide enough startig current.

As of Jan 2009 oster is no longer able to support their mini-frigde units as the manufacturer filed bankruptcy. They direct you to http://www.apwagner.com for parts. I check the apwagner site and the do not list any oster models.

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I will say that you can hand carry the PTC relay, overload and capacitor to most any appliace parts sourc and find a replacement.

I would do a resistance check of the the compressor terminals to the case of the compressor looking for shorts to the body of the compressor (none allowed)
I would then replace the PTC Relay and {run capacitor if used} If it still did not start then the compressor is locked. A new compressor, coolant, service call and labor would be at least 2 times what the unit cost new. ( What stinks about buying a new PTC relay and capacitor and then finding out the compressor is locked up; means your out the cost of the parts just to troubleshoot. The troubleshooting process forces us to change the PTC relay capacitor and often the Kixon Thermal overload protector just to end up with the compressor is locked diagnosis. There is no other way sadly.

Thanks for choosing FixYa,
Kelly

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1 Answer

I replaced the relay overload on my kitchenaid refrigerator but the compressor still wont come on woke up in the morning fridge was warm i checked it compressor was not on it was very hot i took off the...


There are some checks that you should perform.
First remove the PTC relay and thermal overload.
Next do a resistance test of the 3 compressor terminals that are labeled as follows
C = Common
R = Run
S = Start

Read Each of the 3 terminals to the case of the compressor. NO grounds are allowed. Then read C to R and C to S. You must read resistance.
Last test is an amperage test with the PTC / Overload connected. You look on the compressor LABEL for the letters LRA and note that number that will be somewhere between 13.8 and 21.3 amps. You then measure the amperage on the power cord... or near the compressor. If the number of amps read is equal to or greater than the LRA (Locked Rotor Amperage) then the compressor rotor is infact locked and the compressor will have to be replaced. If it is trying to start and your sure the rotor is turning but it is not running at full speed you may have a bad run capacitor. Since you installed the 3 n 1 device I doubt you have a capacitor problem.

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1 Answer

Unit Is running but compressor cycles and than appears to go into thermal overload! Unit will not come back on compressor is very hot!!


Sorry to read about your problem. you can have many different problems.
1. Bad temp control
2. Failing compressor
3. Defective start cap
4. Defective overload protector
5. Defective control board

But in your case, sounds like general compressor failure

I suggest you call a service company.

I have tried to help you. Please help me, by Vote/Rate my response. Thanks.

If you live in the Denver area, I can help you.

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Installed a 3 in 1 on a maytag refrigarator? Will it burn the compressor up?


Hi, Are you saying you wired in a dual run capacitor on your compressor to start it? Or, a hard start relay capacitor combination? A dual cap has 3 terminals on it. Marked Herm, Fan, and C for common. If the voltage is not correct, or the correct Uf's, yes it could burn the compressor out. If you are having a problem with a tight compressor, you need to purchase a hard start capacitor of the right voltage which is 370V by the right H.P.1/4 to 1horse what ever your compressor is.They are made to fit several sizes of compressors. Get the information from the data plate on the compressor and pick up the right hard start for it. This is important if you want the compressor to last.
Sincerely,
Shastalaker7

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hi thanks for the question . i would replace the relay and the cap then your sure your good to go. thanks te appliance doc rate me please

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1 Answer

Whirlpool gold refrigerator compressor clicks on for about 5 seconds then back off. The fan next to it was blocked when I opened the access panel. Unblocked it and it 3 hours ago and still has the the...


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1 Answer

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1 Answer

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http://www.climatedoctors.com/items/item.aspx?itemid=429504

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1 Answer

Whirlpool Refrigerator GS6SHAXML cycling on/off


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If any read anything to ground the compressor is bad.
Your readings between the compressor terminals should all be different and you should have 1 low 1 medium and 1 high resistance reading.
Add the low and mid reading together and the sum should be close to the highest reading. If it reads say 20% more or less then retest it a couple of times to confirm your not slipping on the terminals.
Assuming the above checks out: Get a new Start relay (start capacitor if so equipped) relay and overload (and capacitor if it has one) In other words everything that is external and attached to the wires or terminals on the compressor, and replace them on to the compressor. Then if it starts problem solved if it still does same thing the compressor is bad (broken mechanically inside the compressor) and you have to decide to replace compressor or replace the refrigerating compressor be it AC or Refrigeration.
.
A few times I have gotten a compressor to start after leaving it off for 6 to 12 hours then retrying it. See the compressor unless left off for 6 to 12 hours and sometimes as long as 24 hours Is tight due to linear expansion from heat. And about 1/2 the time it is ok after new start components are installed. The other 1/2 the compressor will be ok for a day or 2 then stop again. Most likely from a “hard spot” in the movement of the internal parts in the compressor.

30 years of doing refrigeration and this has not changed.
Please rate me as high as you can and ask me to clarify anything you don’t understand.

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