Jump to content


Learn appliance repair at the Samurai Tech Academy.  Learn more.  Earn more.


Use this Search Box to Find Appliance Repair Help Now
Need help finding your model number?
365-day return policy on all parts purchased here, even electrical parts that have been installed!


FAQs | Store | Memberships | Repair Videos | Academy | Newsletter | Beer Fund | Contact


Welcome to Appliantology.org, the Web's Premiere Appliance Repair Resource!

The world-famous Samurai Appliance Repair Forums


You can post a question and get repair help for FREE! Click here to get started.


Already a member of the Appliantology Academy? Just sign in with your username and password in the upper right-hand corner of the screen.

 


Photo

Puzzling Fridge Problem


  • Please log in to reply
15 replies to this topic

#1 reelynyceguy

reelynyceguy

    Yamabushi

  • Appliantologist
  • PipPip
  • 84 posts
  • Location: USA

Posted 15 April 2013 - 04:46 AM

Hi Everyone...

I have a Magic Chef top mount refrigerator Model #CTB2125GRQ. A few months back I noticed the thing seemed to be running constantly. Food was getting super cold. One weird habit it has is if it sits quietly for awhile and I open the fresh food door, the compressor starts. Almost every time, unless it's in defrost.

I figured it had a bad operating thermostat and purchased a new one (pn 61002085) from Repair Clinic, installed it and thought the thing was fixed. Nope.

Still runs constantly. Still starts when I open the door. Still have to keep controls cranked down so low they're almost off.

This has a rear condenser which is clean. Evap motor runs great, though somewhat loud. No air restrictions on air returns. Door gasket excellent shape.

I'm, well, lost...


"What can be asserted without evidence can also be dismissed without evidence." Christopher Hitchens

Use the Appliantology Parts Search Box to Find What You Need!
Enter your model number, part number, type of appliance, brand, or even a part description.
365-day return policy on all parts purchased here, even electrical parts that have been installed!

#2 jumptrout

jumptrout

    Sensei

  • Appliantology Fellow
  • PipPipPipPipPip
  • 1,380 posts
  • Location: USA
  • Flavorite Brew:Coors Light

Posted 15 April 2013 - 06:52 AM

When the unit is running, carefully remove one wire from the cold control.

If it keeps running you have a short in the wiring.



#3 Wingerman

Wingerman

    Yamabushi

  • Master Appliantologist
  • PipPip
  • 96 posts
  • Location: USA
  • Flavorite Brew:Cuervo Silver and Lemonade

Posted 15 April 2013 - 07:45 AM

One weird habit it has is if it sits quietly for awhile and I open the fresh food door, the compressor starts. Almost every time, unless it's in defrost.

Read more: http://appliantology...?#ixzz2QXFIsE7n 
Follow us: fixitnowsamurai on Facebook

 

Sensing bulb on cold control mounted correctly? 



#4 Strathy

Strathy

    Senpai

  • Sublime Master of Appliantology
  • PipPipPipPip
  • 694 posts
  • Location: Canada
  • Flavorite Brew:Coffee

Posted 15 April 2013 - 08:05 AM

Not much to this one.  I agree with the shorted wire theory.  Does yours have adaptive defrost or a timer?  Could the polarity be reversed in the plug?

 

gallery_55589_30_114392.png


Edited by Strathy, 15 April 2013 - 08:06 AM.

Neighbour's Appliance Service
Servicing Southern Manitoba, Canada

#5 DurhamAppliance

DurhamAppliance

    Sho' Nuff Chozin

  • Grand Master Funk
  • 4,865 posts
  • Location: USA
  • Flavorite Brew:Bells Two Hearted

Posted 15 April 2013 - 08:09 AM

Loose wire on the cold control is the likely suspect. Althoughnot sure if it applies here but when I hear magic chef, I automatically think defrost timer. Even if all inside lights are off... I think "timer. " If bozo the clown and all his friends emerge one by one from the fresh food section, if it's a magic chef, it's the timer. Heck, even if it has an ADC, I'm still looking for a mechanical timer..... just sayin

Durham Appliance Thrift & Repair, LLC

www.DurhamApplianceThrift.com


#6 Strathy

Strathy

    Senpai

  • Sublime Master of Appliantology
  • PipPipPipPip
  • 694 posts
  • Location: Canada
  • Flavorite Brew:Coffee

Posted 15 April 2013 - 08:13 AM

.... sooooooo, do you think it might be a timer?


Neighbour's Appliance Service
Servicing Southern Manitoba, Canada

#7 RegUS_PatOff

RegUS_PatOff

    Sensei

  • Academy Instructor
  • PipPipPipPipPip
  • 33,588 posts
  • Location: USA
  • Flavorite Brew:Chief NTSC Black & White

Posted 15 April 2013 - 09:02 AM

... I figured it had a bad operating thermostat

 

everything goes through the Cold Control first

that's about all it could be ..


.

one of my video productions: “Easter Seals: Walk With Me”

every day is Down Syndrome Awareness Day
"A Child Is Waiting" . Burt Lancaster . Judy Garland . 1962

RegUS_PatOff > www.youtube.com/watch?v=oPAY2LsKVEw

#8 DurhamAppliance

DurhamAppliance

    Sho' Nuff Chozin

  • Grand Master Funk
  • 4,865 posts
  • Location: USA
  • Flavorite Brew:Bells Two Hearted

Posted 15 April 2013 - 12:26 PM

.... sooooooo, do you think it might be a timer?


even of it's the cold control, I guarantee the timer is behind it. Once, I was working on a Ge that stopped cooling, couldn't figure out what was going on. Went to the garage to check the breaker and what did i find in the garage? A magic chef fridge. Put a new timer in the magic chef, and the GE fridge started working again.

Durham Appliance Thrift & Repair, LLC

www.DurhamApplianceThrift.com


#9 RegUS_PatOff

RegUS_PatOff

    Sensei

  • Academy Instructor
  • PipPipPipPipPip
  • 33,588 posts
  • Location: USA
  • Flavorite Brew:Chief NTSC Black & White

Posted 15 April 2013 - 12:45 PM

... figured it had a bad operating thermostat and purchased a new one

... Still runs constantly.... Still have to keep controls cranked down so low they're almost off.

what are the Fridge and Freezer temperatures ?

may need to see a picture of the Freezer Evaporator frost pattern


.

one of my video productions: “Easter Seals: Walk With Me”

every day is Down Syndrome Awareness Day
"A Child Is Waiting" . Burt Lancaster . Judy Garland . 1962

RegUS_PatOff > www.youtube.com/watch?v=oPAY2LsKVEw

#10 jumptrout

jumptrout

    Sensei

  • Appliantology Fellow
  • PipPipPipPipPip
  • 1,380 posts
  • Location: USA
  • Flavorite Brew:Coors Light

Posted 15 April 2013 - 04:09 PM

Not much to this one.  I agree with the shorted wire theory.  Does yours have adaptive defrost or a timer?  Could the polarity be reversed in the plug?

 

gallery_55589_30_114392.png

Not so much a theory. I got the recommendation directly from the Service Manual.



#11 DurhamAppliance

DurhamAppliance

    Sho' Nuff Chozin

  • Grand Master Funk
  • 4,865 posts
  • Location: USA
  • Flavorite Brew:Bells Two Hearted

Posted 15 April 2013 - 05:01 PM

looking at the wiring diagram, if his model has an adc, then the problem is a faulty ADC (modern day timer) ....seems like that is the only way the temp control can be bypassed and still have a completed circuit ...blue to white or orange.  But then again I aint no electronic wizard, that's for sho.


Durham Appliance Thrift & Repair, LLC

www.DurhamApplianceThrift.com


#12 reelynyceguy

reelynyceguy

    Yamabushi

  • Appliantologist
  • PipPip
  • 84 posts
  • Location: USA

Posted 15 April 2013 - 05:39 PM

Thanks for the replies everyone...this unit has a mechanical timer, not ADC. Will try all your suggestions and see what happens!


"What can be asserted without evidence can also be dismissed without evidence." Christopher Hitchens

#13 JJ Surfer

JJ Surfer

    Sōhei

  • Appliantologist
  • PipPipPip
  • 154 posts
  • Location: USA
  • Flavorite Brew:Sierra Nevada pale ale

Posted 22 April 2013 - 02:22 AM

Not sure how it runs constantly and also sits quietly for a while

#14 JJ Surfer

JJ Surfer

    Sōhei

  • Appliantologist
  • PipPipPip
  • 154 posts
  • Location: USA
  • Flavorite Brew:Sierra Nevada pale ale

Posted 22 April 2013 - 02:50 AM

If evap fan is really louder than it used to be it might not be moving as much air causing longer run times. How cold is "super cold"? Does it freezes items in the fresh food side? Are items rock hard in freezer?

#15 suampman

suampman

    Kohai

  • Chief Appliantologist
  • PipPipPip
  • 303 posts
  • Location: USA
  • Flavorite Brew:redbridge

Posted 23 April 2013 - 09:09 AM

I am with the surfer . If it runs all the time, how does it start when you open the door? According to the schematic the power has to come through the cold control before the timer would be a factor. Somethin aint rite.

#16 PDuff

PDuff

    Sensei

  • Appliantology Fellow
  • PipPipPipPipPip
  • 1,985 posts
  • Location: USA
  • Flavorite Brew:Bud Ice (Yeah, I know)

Posted 25 April 2013 - 10:58 AM

Faulty neutral or ground at outlet or main power box?  Had a lot of bad timers on the foreign made MC 11 cu. fts.






0 user(s) are reading this topic

0 members, 0 guests, 0 anonymous users


FAQs | Store | Memberships | Repair Videos | Academy | Newsletter | Beer Fund | Contact


Use the Appliantology Parts Finder to Get What You Need!
Enter a model number, part number, type of appliance, brand, or even a part description.
365-day return policy on all parts purchased here, even electrical parts that have been installed!

Your Sometimes-Lucid Host:
Samurai Appliance Repair Man
"If I can't help you fix your appliance and make you 100% satisfied, I will come to your home and slice open my belly,
spilling my steaming entrails onto your floor."


The Appliance Guru | Master Samurai Tech

Real Time Analytics