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Author Topic: Refrigerator not freezing after power outage  (Read 35406 times)

Offline krazytech

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Re: Refrigerator not freezing after power outage
« Reply #20 on: May 11, 2011, 08:50:54 PM »

the stub line that is a dead end is a low side access this is the best one to put a valve on...
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Offline JWWebster

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Re: Refrigerator not freezing after power outage
« Reply #21 on: May 11, 2011, 09:22:52 PM »
I did a ice machine not long ago and made some photos:

Click on photos to enlarge

I took some sand cloth and cleaned the copper line up real good. I fastened the saddle valve on firmly. This type valve uses a allen wrench to pierce the tubing. When done you use that wrench to tighten down the valve and top it off with the included cap.
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Offline JWWebster

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Re: Refrigerator not freezing after power outage
« Reply #22 on: May 11, 2011, 09:30:14 PM »
More from the swamp:
As you can see I have a small bottle of r134A gas I got from somewhere. I turned the machine on and the pressure in this instance was in the negative 10 PSI of the blue low side gauge. I barely cracked open the gas and add little by little till i got it to settle down and stay put at 5 PSI. If you had no gauge you could slowly add a bit till you got 4 ounces in there and quit. Look at the evap for frost on every coil but not all fat and built like your photo.
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Offline JWWebster

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Re: Refrigerator not freezing after power outage
« Reply #23 on: May 11, 2011, 09:41:32 PM »
That ice machine is still kickin out some ice cubes over in Wheelerville by Big creek Lake by the way. Freezers and ice box's all go by the same rule of thumb: Slowly adding freon and keepin it around 5 PSI. Anything above 5 and you may as wee toss it. over charging is just as bad as an under charge.  There ya go 3 ways to load the gas. Amp draw, Looking at the evaporator coils, and gauges. gauges? We don't need no stinkin gauges.  :rofl:
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Offline JWWebster

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Re: Refrigerator not freezing after power outage
« Reply #24 on: May 11, 2011, 09:45:05 PM »
That last pic was a small ice box I fixed using a $3 epoxy kit I bought from Wally world. The pressure for the mini fridge was the same as any ice box. 5 PSI
The last picture is a AOL junk mail case I got in the mail. It's nice clean surface made a nice platform for mixing the epoxy on. Who says AOL ain't worth messin with?  :rofl:
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Offline JWWebster

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Re: Refrigerator not freezing after power outage
« Reply #25 on: May 11, 2011, 09:56:07 PM »
When you add the saddle valve and make the pierce listen fer a sec to see if any gas is left in the machine. If you have gas in there the fix is on. Slowwly add some gas in till you get er back up to snuff. We know you have SOME gas in there because she does frost a little. If yall get no sign of any gas in the system then hunt for signs of leaks in areas where leaks occurs and that is usually in the evap area where the defrost heater is closes to the evaporator.  The system will be compromised when no gas is detected. That means you must find the leak and repair it THEN remove the air from the system because air in my neck of the woods has water in it and when freon hits water ice forms and cloggs the artery's of the machine. You gotta vacuum the system out. Then you can replenish the gas with a bit of success, otherwise if air gets in there yall are in trouble, so you gotta be careful when attaching hose be sure and purge the hose a tad bafore connecting to the saddle valve like a doctor shoots a little outta the needle before givin yall a shot. Be sure when adding freon to not allow any air in.
« Last Edit: May 11, 2011, 10:10:24 PM by JWWebster »
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Offline antman

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Re: Refrigerator not freezing after power outage
« Reply #26 on: May 11, 2011, 10:33:27 PM »
Thanks for all the help. I'll get the stuff tomorrow and give it a go tomorrow night. I noticed when looking online that some of the refrigerant comes with a leak fix. Would that be good to use?

Offline JWWebster

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Re: Refrigerator not freezing after power outage
« Reply #27 on: May 11, 2011, 10:58:48 PM »
Naw. I would go with plain freon. After ya add a tad it could be years before the system needs more. I would only use that stuff in the event of a terrible leak that I could not find.
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About the icons: The beer is tip link, if a tech saves ya some money buy em a 6 pack. The small green square=personal message. The green dot is a link to my web page on appliance repair and other general BS I love to post. The letter sends me email.
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Offline antman

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Re: Refrigerator not freezing after power outage
« Reply #28 on: May 12, 2011, 08:10:57 AM »
Ok. Just to make sure I don't make a stupid mistake. I'll turn off the fridge, then add the saddle valve, make sure the hose has been purged of air. Hook up the refrigerant. Turn on the fridge and let it run for 5-10 min. Then I'll let refrigerant in for about 5 seconds, give it about 10 min and then check the evaporator coils. If coils not frosted completely then repeat. Does this sound about right? Thanks.

Offline JWWebster

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Re: Refrigerator not freezing after power outage
« Reply #29 on: May 12, 2011, 09:47:47 AM »
That sounds to me like a good plan. Let us know how you come out.
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About the icons: The beer is tip link, if a tech saves ya some money buy em a 6 pack. The small green square=personal message. The green dot is a link to my web page on appliance repair and other general BS I love to post. The letter sends me email.
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Offline krazytech

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Re: Refrigerator not freezing after power outage
« Reply #30 on: May 12, 2011, 11:47:21 PM »
first make sure you put the saddle valve on the low side. and you will need a way to seal off the hole you made with the saddle valve as they will leak... next if you have lost gas there is a leak somewhere in the system and it will leak again until you find it and seal it....
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Offline antman

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Re: Refrigerator not freezing after power outage
« Reply #31 on: May 13, 2011, 07:01:16 AM »
Didn't get to do it last night. Have the day off and was going to give it a go in a little bit. How do you seal off the hole where the saddle valve will be? Pretty sure duct tape won't work.

Offline JWWebster

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Re: Refrigerator not freezing after power outage
« Reply #32 on: May 13, 2011, 07:56:08 AM »
You leave the saddle valve on there.Clean up the copper with sand cloth before attaching the saddle valve. It will become a permanent fixture on the appliance.
So it needs to be installed properly.
May the hinges of our friendship
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About the icons: The beer is tip link, if a tech saves ya some money buy em a 6 pack. The small green square=personal message. The green dot is a link to my web page on appliance repair and other general BS I love to post. The letter sends me email.
I love fan letters! LOL

Offline krazytech

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Re: Refrigerator not freezing after power outage
« Reply #33 on: May 13, 2011, 10:05:11 AM »
I have never be able to get saddle valve to hold.... but JW used different one that I do... I use supco Bullet piercing Valve... from jw pic he uses  a different style...I use a pinch off tool to seal off access. then weld it ..
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Offline antman

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Re: Refrigerator not freezing after power outage
« Reply #34 on: May 14, 2011, 09:34:21 PM »
Ended up with the grandkids. Was going to try it tomorrow, but now you got me a little worried. The only saddle valves I could find in town were all the same style as Lowes. Guess I hope the rubber gasket works. Had to find an adapter so I could cleanly connect the refrigerant to it. Also, our Big Lots had it at $8 a can. We'll see how it comes out.

Offline JWWebster

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Re: Refrigerator not freezing after power outage
« Reply #35 on: May 15, 2011, 11:31:14 AM »
May the hinges of our friendship
        never grow rusty.

About the icons: The beer is tip link, if a tech saves ya some money buy em a 6 pack. The small green square=personal message. The green dot is a link to my web page on appliance repair and other general BS I love to post. The letter sends me email.
I love fan letters! LOL

Offline antman

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Re: Refrigerator not freezing after power outage
« Reply #36 on: May 15, 2011, 05:21:52 PM »
Looks like I may have made a mistake in the saddle valve. I was just getting ready to use the saddle valve I got when I saw your message. When I asked for one they only showed me the one for adding the water line. I looked at a local website and they have the the BPV21. Your link to ebay was the BPV31. Wife is getting impatient so is there any issue in using the 21 vs 31 versions. Thanks for all the help. As you can tell I'm a little cautious about this next step.






Offline antman

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Re: Refrigerator not freezing after power outage
« Reply #37 on: May 15, 2011, 05:27:17 PM »
Another mistake. should have looked online a little better. I see that the 21 is for larger lines. The website says:

3/8" Lead Free Polyethylene Tube to Self Tapping Saddle Valve

    * Easy to install
    * Interchangeable with standard compression fittings
    * Durable brass construction
    * Quality threads

Attached is the picture.

Offline antman

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Re: Refrigerator not freezing after power outage
« Reply #38 on: May 15, 2011, 05:29:45 PM »
Also need to read before I upload. What I meant to ask, is the saddle valve in my previous post usable? Think three days of the grandkids has fried my brain. Thanks

Offline jumptrout51

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Re: Refrigerator not freezing after power outage
« Reply #39 on: May 15, 2011, 05:53:55 PM »
Absolutely NOT!!
Take a Kid fishing.