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SubZero 550 fridge temperature swings  Rate Topic 
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 Posted: Mon Jan 21st, 2008 11:59 am
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pieter
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My 550 was recently repaired by a SubZero tech - new sealed system for the fridge.

Now - about a month later - the fridge doesn't kick on early enough.  It cools well, but then will go up to 50 degrees or so - sometimes 55 before finally kicking on to cool again. 

It seems like if I tap the fridge rheostat/temp control (Off - 1 -10) or just turn it to 10 then it will kick on. 

The tech said those temp controls fail often but didn't replace it because it was working.  Before I replace it I'd like an opinion on if that sounds right.  I saw a posting about a starter relay - don't know if that might be causing this.

The tech was a great guy but it looks so easy to pull the back panel to get to the temp control that I'd love to save myself from paying him $100+ to get him to walk in the door.

Another note - I didn't forget the full model and serial number - my fridge tag was scraped off.  I bought the house a few months ago.  The previous owner claimed no knowledge - put me in touch with where they supposedly purchased the unit but the store is out of business.  The tech also tried to run it down but we all hit dead ends.  He did say it didn't look too suspicious (like a salvage) but he also couldn't get the number.

 

Last edited on Mon Jan 21st, 2008 01:52 pm by pieter

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 Posted: Mon Jan 21st, 2008 03:20 pm
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meatech
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With the older type of controls it is a common  problem that you are describing.

The contact in the control are not closing to tell the compressor to come on and when you give it a little tap the contact close and the compressor starts.

Where you don't have a model number check the part to see if there is a part number on it.

Be sure you turn the power off to the fridge before you take the control out.

If you find a part number here is a good place to get appliance parts.

Last edited on Tue Jan 22nd, 2008 04:38 pm by

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 Posted: Mon Jan 21st, 2008 04:04 pm
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Poobah
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does sound like a control issue...a mod # would be helpful naturally but in your case an exception can be made...hopefully the part # will be on the old control and can be changed over or it could still be the same #...if you can post a pic. of it AccApp is one of the resisdent gurus on  Subzero and will prob. be able to tell you which it is....he's on here frequently through the day and evening

also not stepping on meatech toes with his part link (it's your money and you can spend it where you want) but any parts that are bought through  repair clinic at Samurais link helps to support  this wonderful site, and all parts are returnable if you should buy something and that doesn't fix it..good  luck



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 Posted: Mon Jan 21st, 2008 04:25 pm
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pieter
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Thanks for the replies. 

I looked on some system charts that this site referenced in other posts and I'm pretty sure the refrig control is part 4201260.  A local place has the part in stock so I'm planning on putting it in tonight.  I'll post an update if it works.

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 Posted: Mon Jan 21st, 2008 05:04 pm
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Poobah
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4201260.....just make sure before installing it that it does look the same, as most places will not take a part back once hooked up...some won't even take it back once sold..good  luck

Last edited on Mon Jan 21st, 2008 05:31 pm by



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 Posted: Tue Jan 22nd, 2008 02:03 am
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AccApp
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The new control will likely look different, you probably have the old single tube control. The included instructions will explain what to do. When I replace an evap on any 500 series with the old single tube control I also sell the new control along with it.



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 Posted: Tue Jan 22nd, 2008 05:46 am
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Budget Appliance Repair
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Poobah wrote:

also not stepping on meatech toes with his part link (it's your money and you can spend it where you want) but any parts that are bought through repair clinic at Samurais link helps to support this wonderful site, and all parts are returnable if you should buy something and that doesn't fix it..good luck


You wouldn't be stepping on any toes, since Meatech's link does go to RepairClinc!!!! That is unless it got edited to RepairClinc after he posted it?????



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 Posted: Tue Jan 22nd, 2008 11:56 am
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Poobah
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unless my eyes are playing tricks when I clicked that link yesterday in didn't go to RC because the screen was different and came up with blue writing...oh well at least it's right now  :dude:



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 Posted: Tue Jan 22nd, 2008 01:59 pm
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pieter
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Update for the group - I replaced the fridge control last night.  The part number was right.

After I put it together I realized that the circulation fan in the fridge compartment wasn't working.  I thought the fan motor might be bad but after I took it out, cleaned it and made sure all the connections were tight it worked fine. 

This is a novice comment I know - but it reminded me of the importance of troubleshooting thoroughly.  I never checked the fan when this started and it seems to me that the fan could have caused the trouble - namely cold air sitting low in the fridge while the upper part gets hotter - like 50 degrees vs. 40 degrees in the bottom. This may seem picky but we keep a medicine in the fridge that can't get hotter than 46 degrees.

Anyway - now the fridge is holding right at 40 degrees.

So for you fellow novices out there - of the 2 switches on the door frame of a 550 one is the light and the other is the fan.  Press the switch and make sure the fan works as you troubleshoot.  I don't believe the fan runs all the time, but if the compressor is kicked on then you should be able to hit the switch and hear the fan kick on too.

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 Posted: Tue Jan 22nd, 2008 03:36 pm
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meatech
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Poobah wrote: unless my eyes are playing tricks when I clicked that link yesterday in didn't go to RC because the screen was different and came up with blue writing...oh well at least it's right now  :dude:Actually the link was to a site Partselect.com which sells appliance parts. They are also just as returnable as Repair Clinics. I didn't realize that my information would be changed after the fact. I left the link because I thought it was helpful and Partselect is the site I like to use. I didn't read in the FAQ that RepairClinic was the only site we could link too. Now I know and I won't post helpful information like that in the future.

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 Posted: Tue Jan 22nd, 2008 03:52 pm
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Poobah
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good catch on the fan also pieter, make sure to keep an eye on it as it is one of those things that can go at the drop of a hat..congrats on a fine fix

no big deal meatech...it's just that Samurai has put alot of effort in this site and every little penny counts...I don't know exactly how much nor is it any of my bidness but RC does give some kind of support  for promoting them and it helps keep this site  going

any help given on here would be appreciated and welcome...and please forgive if I came across wrong nothing was meant by it 



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 Posted: Tue Jan 22nd, 2008 04:19 pm
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meatech
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It's ok. I understand that some of these sites have affiliations with other sites. It'd just be nice to have that explained to you when you join these communities. I love to help out others with home repairs and I want to make sure the information I am giving is safe and accurate. So you can understand its a little alarming to know that the information I submit can get altered by whoever (which comes off very sneaky), and something that I vouched for in my message was not what was shown when the message posted. I would have just rather had my link stripped out if it wasn't allowed then to have changed to something else. But alas, all is good now that I understand the rules here.

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 Posted: Tue Jan 22nd, 2008 04:34 pm
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Pegi
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Meatech, all is well, you did no harm as most likely the Samural edited your link, we do edit some posts as needed, however we do sort of like to do it so as not to embarress the ones who posted...hence nothing was noted when edited....I also post urls to other sites if like Repairnet does not have it or a photo and a place like PartsSelect does have a photo of what we are needing to see, however I do make a note in my postings the reason for this...like it is on backorder from Repairnet and some other site has it in stock....Poobah was just as confused as you were, heck I stay that way....love having you help out in our forum, so welcome...we all just sort of find out what is preferred as we go along....:cool:



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 Posted: Tue Jan 22nd, 2008 04:37 pm
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Samurai Appliance Repair Man
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meatech wrote:
It's ok. I understand that some of these sites have affiliations with other sites. It'd just be nice to have that explained to you when you join these communities.


It *was* explained in the activation email you received when you registered. :shock:

As for editing your post, I did that. Normally when I edit a post, there's a little tag line that says, Edited by Samurai Appliance Repair Man. You'll see it in lots of other posts where part links were edited. Not sure why it didn't show up in yours. And editing and/or deleting posts is not "sneaky" -- it's just part of managing a privately-funded forum.

EDIT: I figured it out-- I had inadvertently unclicked the edit box when I changed the link. That has been corrected. Thanks for pointing that out.

Last edited on Tue Jan 22nd, 2008 04:39 pm by Samurai Appliance Repair Man



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