Discuss

Amana Model AFB2534FES quit cooling

 in

Refrigerator & Freezer Repair

. "

Our Amana Model #AFB2534FES quit cooling, 3rd time in 5 years. First time (3 yrs from new) service tech replaced

..."
 
 
Register | FAQ's | New Posts | Today's Posts | Extras
Appliance Repair Forum > Appliance Repair Help > Refrigerator & Freezer Repair » Amana Model AFB2534FES quit cooling

Post New Thread  Reply By reading any content on this site you agree to AppliancePartsPros.com, Inc. disclaimer and Terms of Use.
 
LinkBack Thread Tools Search this Thread Display Modes
  #1 (permalink)  
Old 12-03-2012, 09:19 PM
Junior Member
 
Join Date: Dec 2012
Posts: 9
fun21x is on a distinguished road
Default Amana Model AFB2534FES quit cooling
Model Number: AFB2534FES   Brand: Amana   Age: 1 - 5 years   

Appliance Parts from AppliancePartPros.com


Our Amana Model #AFB2534FES quit cooling, 3rd time in 5 years. First time (3 yrs from new) service tech replaced control board ($400). A month later, quit again and same tech replaced thermostat ($100, and not confidence building).

Now, quit cooling again and temperature display just shows dashes, rather than the temperature setting (1-7)

Because of lack of confidence in service tech, I'm trying it myself.

Removed rear freezer panel (inside) and coils were seriously ice bound, especially on right side. Defrosted (squirted with warm water, then space heater in freezer compartment for half and hour) and reassembled, but the temperature display still just reads dashes and will not respond.

It appears that this control module allows (over-ride) testing of various components, but if the module itself is non-responsive? Right now I'm wondering if the module has gone bad again (I see it's available here for $108), but 2 in 5 years seems improbable. I also note (from a posting on another site) that there's a replacement thermostat kit of some kind made by whirlpool to deal with an apparent weakness in this model making it prone to freezing up, but I don't see what part that would be on this site, and I haven't been able to find the previous reference to it (yet).

thoughts?

(I'm new to forum processes, so if I'm not posting correctly, please advise.)


Related Models
Amana AFB2534FES REF - BOTTOM MOUNTS
Maytag AFB2534FES12 REFRIGERATOR
Amana AFC0503BW FREEZER- CHEST
Amana AFC0507BW FREEZER- CHEST
Amana AFC0701AW FREEZER- CHEST
Amana AFC0703BW FREEZER- CHEST
Amana AFC1004AW FREEZER- CHEST
Amana AFC1005BW FREEZER- CHEST
General Electric AFC111V DISPOSER
General Electric AFC12DBW1 Room air conditioner
General Electric AFC12DMW1 Room air conditioner
General Electric AFC12DNW1 Room air conditioner
General Electric AFC12DPW1 Room air conditioner
General Electric AFC12DRW1 Room air conditioner
General Electric AFC12DSW1 Room air conditioner
Amana AFC1504AW FREEZER- CHEST
Amana AFC1505BW FREEZER- CHEST
General Electric AFC15DME1 Room air conditioner
General Electric AFC15DSE1 Room air conditioner
General Electric AFC15DTE1 Room air conditioner
Amana AFC2033DRB REF - BOTTOM MOUNTS
Amana AFC2033DRQ REF - BOTTOM MOUNTS
Amana AFC2033DRS REF - BOTTOM MOUNTS
Amana AFC2033DRW REF - BOTTOM MOUNTS
Amana AFC2207AW FREEZER- CHEST
Amana AFC2207BW FREEZER- CHEST
Amana AFD2535DEB REF - BOTTOM MOUNTS
Maytag AFD2535DEB14 REFRIGERATOR
Maytag AFD2535DEB5 REFRIGERATOR
Maytag AFD2535DEB6 REFRIGERATOR
Amana AFD2535DEQ REF - BOTTOM MOUNTS
Maytag AFD2535DEQ14 REFRIGERATOR
Maytag AFD2535DEQ5 REFRIGERATOR
Maytag AFD2535DEQ6 REFRIGERATOR
Amana AFD2535DES REF - BOTTOM MOUNTS
Amana AFD2535DEW REF - BOTTOM MOUNTS
Maytag AFD2535DEW14 REFRIGERATOR
Maytag AFD2535DEW5 REFRIGERATOR
Maytag AFD2535DEW6 REFRIGERATOR
Amana AFD2535FES REF - BOTTOM MOUNTS
Maytag AFD2535FES12 REFRIGERATOR
Maytag AFD2535FES3 REFRIGERATOR
Maytag AFD2535FES4 REFRIGERATOR
Maytag AFD2535FES5 REFRIGERATOR
Maytag AFD2535FES6 REFRIGERATOR
General Electric AFE12D1W1 Room air conditioner
General Electric AFE12D3W1 Room air conditioner
General Electric AFE12DNW1 Room air conditioner
General Electric AFE15D1E1 Room air conditioner
General Electric AFE15D1E2 Room air conditioner
Amana AFF105 REF - BOTTOM MOUNTS
Amana AFF105L REF - BOTTOM MOUNTS
Amana AFF125 REF - BOTTOM MOUNTS
Amana AFF125L REF - BOTTOM MOUNTS
Amana AFF2534FEB REF - BOTTOM MOUNTS
Maytag AFF2534FEB11 REFRIGERATOR
Maytag AFF2534FEB2 REFRIGERATOR
Maytag AFF2534FEB3 REFRIGERATOR
Amana AFF2534FES REF - BOTTOM MOUNTS
Maytag AFF2534FES11 REFRIGERATOR
Maytag AFF2534FES2 REFRIGERATOR
Maytag AFF2534FES3 REFRIGERATOR
Maytag AFF2534FES4 REFRIGERATOR
Maytag AFF2534FES5 REFRIGERATOR
Amana AFF2534FEW REF - BOTTOM MOUNTS
Maytag AFF2534FEW11 REFRIGERATOR
Maytag AFF2534FEW2 REFRIGERATOR
Maytag AFF2534FEW3 REFRIGERATOR
Amana AFF98 REF - BOTTOM MOUNTS
Amana AFF98L REF - BOTTOM MOUNTS
Frigidaire AFFC1466DW0 Frigidaire/freezer
Frigidaire AFFC1466DW1 Frigidaire/freezer
Frigidaire AFFC1466DW2 Frigidaire/freezer
Frigidaire AFFC1466DW3 Frigidaire/freezer
Frigidaire AFFC1466DW4 Frigidaire/freezer
Frigidaire AFFC1526DW0 Frigidaire/freezer
Frigidaire AFFC1526DW1 Frigidaire/freezer
Frigidaire AFFC1526DW2 Frigidaire/freezer
Frigidaire AFFC1526DW3 Frigidaire/freezer
Frigidaire AFFC1526DW4 Frigidaire/freezer
Frigidaire AFFC2027DW1 Frigidaire/freezer
Frigidaire AFFC2027DW2 Frigidaire/freezer
Frigidaire AFFC2027DW3 Frigidaire/freezer
Frigidaire AFFC2528DW0 Frigidaire/freezer
Frigidaire AFFC2528DW1 Frigidaire/freezer
Frigidaire AFFC2528DW2 Frigidaire/freezer
Frigidaire AFFC2528DW3 Frigidaire/freezer
Amana AFFS105 REF - BOTTOM MOUNTS
Amana AFFS105L REF - BOTTOM MOUNTS
Amana AFFS125 REF - BOTTOM MOUNTS
Amana AFFS125L REF - BOTTOM MOUNTS
Amana AFFS95 REF - BOTTOM MOUNTS
Amana AFFS95L REF - BOTTOM MOUNTS
Amana AFFS98 REF - BOTTOM MOUNTS
Amana AFFS98L REF - BOTTOM MOUNTS
Frigidaire AFFU1466DW0 Frigidaire/freezer
Frigidaire AFFU1466DW1 Frigidaire/freezer
Frigidaire AFFU1466DW2 Frigidaire/freezer
Frigidaire AFFU1466DW3 Frigidaire/freezer
Frigidaire AFFU1466DW4 Frigidaire/freezer
Frigidaire AFFU1766DW0 Frigidaire/freezer
Frigidaire AFFU1766DW1 Frigidaire/freezer
Frigidaire AFFU1766DW2 Frigidaire/freezer
Frigidaire AFFU1766DW3 Frigidaire/freezer
Frigidaire AFFU1766DW4 Frigidaire/freezer
Frigidaire AFFU1766DW5 Frigidaire/freezer
Frigidaire AFFU2066DW0 Frigidaire/freezer
Frigidaire AFFU2066DW1 Frigidaire/freezer
Frigidaire AFFU2066DW2 Frigidaire/freezer
Frigidaire AFFU2066DW3 Frigidaire/freezer
Frigidaire AFFU2066DW4 Frigidaire/freezer
Frigidaire AFFU2066DW5 Frigidaire/freezer
Frigidaire AFFU2066DW6 Frigidaire/freezer
Frigidaire AFFU2067EW0 Frigidaire/freezer
Frigidaire AFFU2067EW1 Frigidaire/freezer
Frigidaire AFFU2067EW2 Frigidaire/freezer
Frigidaire AFFU2067EW3 Frigidaire/freezer
Frigidaire AFFU2068DW0 Frigidaire/freezer
Frigidaire AFFU2068DW1 Frigidaire/freezer
General Electric AFH12D1W1 Room air conditioner
Reply With Quote
See inside of your appliance - diagrams and part photos for virtually every model.

powered by AppliancePartsPros.com
 
  #2 (permalink)  
Old 12-04-2012, 04:12 AM
Senior Expert
APP Volunteer
 
Join Date: Sep 2007
Location: State College, Pa.
Posts: 9,566
richappy is a name known to all
Default

Unplug fridg. for several minutes, then plug in, module might now work. If not, I would replace the control module.
The new module must be programed by using the info on the model # sticker. Just follow the directions you receive with the part.
__________________
-
Reply With Quote
  #3 (permalink)  
Old 12-04-2012, 05:46 AM
Senior Expert
APP Volunteer
 
Join Date: Feb 2008
Posts: 17,745
denman is a name known to all
Default

Is the unit on a dedicated line?
It should be. If there are other appliances on the line you can get voltage spikes and surges.

Below is a post I stole from richappy
I would use a 1000 joule Belkin surge protector in the wall outlet for this fridge to prevent future failures.

You may want to invest in one even if it is a dedicated line.
__________________
-

Last edited by denman : 12-04-2012 at 05:49 AM.
Reply With Quote
  #4 (permalink)  
Old 12-04-2012, 06:36 PM
Junior Member
 
Join Date: Dec 2012
Posts: 9
fun21x is on a distinguished road
Default Amana Model AFB2534FES quit cooling

Thanks for the thoughts.

After I posted yesterdays question, I was able to get the module to respond in a program mode (even though still just showing dashes in normal mode) and I went through some diagnostic tests and everything (compressor, fan, etc.) looked fine.

After going through the tests, the display appeared to work, so I left it on for the morning. It cooled to the right temperatures within a couple of hours, but then stopped again, just showing the dashes on the display. This time, however, it was not iced up as it was before. This pretty much confirmed to me that the problem was the control module, however, I decided to test the defrost heater and thermostat (mostly because I already had access and they are both cheaper than the module).

Defrost heat element had continuity but the defrost thermostat read 53k ohms (far from infinite) when warm and 45 ohms (somewhat far from 0) when cold. Everything I have read implies that this should be infinite at room temp and 0 when cold. Are these numbers within acceptable range, or is it possible that this is my problem and the dashes on the control module are some kind of diagnostic indication?

more thoughts?

Last edited by fun21x : 12-11-2012 at 09:11 PM.
Reply With Quote
  #5 (permalink)  
Old 12-05-2012, 01:05 AM
Senior Expert
APP Volunteer
 
Join Date: Sep 2007
Location: State College, Pa.
Posts: 9,566
richappy is a name known to all
Default

You have an intermittent defrost thermostat, just replace it. I also would replace the control module.
__________________
-
Reply With Quote
  #6 (permalink)  
Old 12-06-2012, 06:48 AM
Junior Member
 
Join Date: Dec 2012
Posts: 9
fun21x is on a distinguished road
Default thanks

Thanks for the advice.

After fussing with the control board and going through the diognostics process again, it seemed to come back alive and functioned appropriately for a day and a half, but this morning was back to the dashes on the board (although still fully cold). After going through a forced defrost and the diognostic process again, the display is back on and apparently working (at least for now). I don't suppose the display shows dashes when the unit is in a defrost mode?

I'm going to replace the thermostat like you suggest (still pondering the control board, maybe wait and see if the thermostat fixes the problem?).

Do you know anything about the replacement thermostat kit for this model made by whirlpool? I note that the replacement part available on this site is made by whirlpool, but I had the impression that the replacement kit was more than just the thermostat. However, I have not been able to locate the original reference to it that I saw the other day.

P.S.

Last edited by fun21x : 12-06-2012 at 07:15 AM. Reason: addl. experience
Reply With Quote
  #7 (permalink)  
Old 12-06-2012, 09:21 AM
Senior Expert
APP Volunteer
 
Join Date: Sep 2007
Location: State College, Pa.
Posts: 9,566
richappy is a name known to all
Default

This site just shows the defrost thermostat 67003426, no kit.
__________________
-
Reply With Quote
  #8 (permalink)  
Old 12-11-2012, 09:08 PM
Junior Member
 
Join Date: Dec 2012
Posts: 9
fun21x is on a distinguished road
Default Amana Model AFB2534FES quit cooling

I ordered the defrost thermostat, and reset the refrigerator by putting it into program mode and then going through the diagnostic tests. It has now been running fine for a week.

After all the above and several days to consider, I now have a working theory of what happened that I share here in hopes that it will be useful for others with this or a similar problem.

I think the dashes on the control module are a diagnostic indication that something is wrong with the system, rather than an indication of controller failure. (Maybe an indication of sensor failure?)

I think the unit frosted up and shut down due to being overworked because of a buildup of dust and such on the condenser (heat exchanger) coils (outside on the bottom of the unit.)

I believe that my initial attempts to reset it were only partially successful because I was still stumbling through the diagnostic procedures and/or had not yet cleaned the condenser coils.

Once the condenser coils were cleaned and the unit re-started, it has run fine for several days now.

I'm still fairly suspicious of the defrost thermostat. The warm reading on the new one is 56k ohms (far from infinite, and not significantly different than the 53k reading on the old one). The cold reading on the new one, however, is 0.5 ohms, which does seem considerably different than the 45 ohms of the old one, but still a pretty small number.

At this point, I really don't think I need a new controller, rather just to clean the condenser coils more frequently. Jury is still out on the defrost thermostat. Since we are not traveling for a while (little risk of freezing up while we are gone for an extended period), I'll leave it alone for a while and see what happens. If it freezes up again, I'll replace it. (and update this post)

Again, I post this for what it may be worth to other wandering souls searching for appliance repair inspiration.
Reply With Quote
  #9 (permalink)  
Old 12-12-2012, 03:53 AM
Senior Expert
APP Volunteer
 
Join Date: Feb 2008
Posts: 17,745
denman is a name known to all
Default

I'm still fairly suspicious of the defrost thermostat. The warm reading on the new one is 56k ohms (far from infinite, and not significantly different than the 53k reading on the old one).
These thermostats do not give infinite resistance when they are open.
Around 56K ohms is normal. The defrost control monitors the defrost circuit hat is why they have a resistance across the thermostat's contacts.th3e 56K limits the current to 0.002 amps so the heater does not heat up.

The cold reading on the new one, however, is 0.5 ohms, which does seem considerably different than the 45 ohms of the old one, but still a pretty small number.

This was probably your problem.
The defrost heater is about 30 ohms so when the 120 volts is applied during defrost, the heater would only get about 50 volts across it.
__________________
-
Reply With Quote
  #10 (permalink)  
Old 12-12-2012, 11:53 AM
Junior Member
 
Join Date: Dec 2012
Posts: 9
fun21x is on a distinguished road
Default Amana Model AFB2534FES quit cooling

Thank you, that insight is particularly helpful for me.

So it seems that the defrost thermostat does need to be replaced sooner rather than later, as it is not allowing enough current to the defrost heater element to allow it to work properly.

Accordingly, I'll replace the defrost thermostat with the new one this evening, UNLESS:

Do you (or anyone else) know anything about a replacement thermostat kit for this model made by Whirlpool that I mentioned previously? I note that the replacement part I purchased (from this site) is made by Whirlpool, but I had the impression that the replacement kit was more than just the thermostat itself, and somehow addressed what is apparently a design weakness with this system. However, I have still not been able to locate the original reference to it that I saw the other day, even though I believe it was on another thread on this site.

Also, is there a tech sheet available for my model (Amana Model AFB2534FES)? The one I am using (from another thread on this site) is apparently from a model ending in deb3 rather than FES. It is close enough to allow me to muddle through the programming and diagnostics (for which I am very grateful), but I would feel better about using more precise information. For instance, my unit has a diagnostic test 9 that is not described in the tech sheet that I have, and I'm seriously curious about what it is for.

At any rate, thank you for the advice and insights, and I hope my write-up can be useful for others.
Reply With Quote
See inside of your appliance - diagrams and part photos for virtually every model.

powered by AppliancePartsPros.com
 
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

Similar Threads
Thread Thread Starter Forum Replies Last Post
Refrigerator Quit Cooling LSU1 Refrigerator & Freezer Repair 1 12-15-2011 01:24 AM
Fridge Quit Cooling prazngsus Refrigerator & Freezer Repair 1 01-30-2011 05:57 AM
Frig quit cooling dennis in alaska Refrigerator & Freezer Repair 1 08-31-2010 03:51 AM
Amana Dryer Quit MidtownKen Dryer Repair 1 08-03-2010 05:25 PM
Amana Ice Maker quit working modelships Refrigerator & Freezer Repair 2 05-09-2010 05:32 PM



All times are GMT -7. The time now is 12:17 AM.

The content on this web site is for informational purposes only and is not intended to replace an on-site diagnosis from a qualified appliance service technician. By reading any content on this site you agree to AppliancePartsPros.com , Inc. disclaimer and Terms of Use.
Powered by vBulletin® Version 3.6.4
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Content Relevant URLs by vBSEO ©2011, Crawlability, Inc.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17