Question about Cuisinart Private Reserve CWC-900 Wine Cooler

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Thermoelectric plate does not appear to transfer heat

Hi
I opened the wine cooler, all the fans are working. I removed the heat sinks, turned on the wine cooler to see if one side of thermoelectric would get hot. Even after five minutes, I did not detect a difference in temperature. Can this plate be fixed and how should I go about seeing which part is wrong (i.e. controler unit or if its short circuited or if termoelectric plates overheated and destroyed themselves.) there does not appear to be any overheating or melting markings on the plate.

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You should see if theres a DC voltage going to the plate or not. it should noticeably heat up instantly with proper voltage applied. if power is there and it doesnt heat then the thermoelectric device needs to be replaced. also you should be able to measure a resistance of the plate. Should not be shorted or open. it should be a relatively low resistance. like a few ohms. and it may read different depending on which direction you connect the leads.

Posted on Nov 07, 2009

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Haier Thermoelectric Wine Cooler


This wine cooler hasn't held temperature for months, even though during the winter my living room gets to 58 F at night. I've had it maybe a year.

I took the back off, and 2 of the 3 heat sinks felt cool, which means the thermoelectric pack was just conducting cold out of the cabinet in 2 of 3 cases. The third one felt slightly warm, as it should. I checked that the cool ones had 12 v to them, they did, so they should have been pumping heat out.

I put bowls of ice inside the unit, and when the temperatures got down to the set points, I heard relays click, so I figured the control unit was OK.

I removed one of the TEC modules that was cold on the outside, and taped up the hole with masking tape.

I unplugged the fan from the circuit board and unscrewed that fan assembly from the heat sink.

I then clipped the leads to the TEC unit, cut away the blobs of hot melt glue, and disassembled the cooling module. I took the TEC device and hooked it back up, making sure it had voltage to it. After awhile, both sides just felt slightly warm so I knew it was bad.

Got on line and ordered 4 (to have spares) TEC1-12703 coolers. I have thermal grease. When the parts come, I will re-assemble and should be good to go.

I don't know what blows the TEC devices, they should be very robust. Maybe Haier got a bad bunch of them, I read almost all bad reviews on these wine coolers.

on Apr 03, 2010 | Haier HVTB40DPABS Wine Cooler

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Does a thermoelectric wine cooler have a ventilation system?


Absolutely, every wine cooling system has to have a ventilation system that will channel the heat generated in the operation, outside of the unit, including the thermoelectric wine cooler.

Aug 14, 2012 | Furniture

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Can I install a thermoelectric wine cooler as a built-in cooler?


No. If a thermoelectric wine cooler were built-in, it would not be able to dispel the heat it emits and the fridge would not be able to reach the necessary temperatures.

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1 Answer

The system will not cool and want to replace the refrigeration parts, all else seams to be working fine


I have a Cuisinart Model CWC900 wine cooler that stopped cooling -- the cooling module is bad.

The FIX.

1. First remove the filler plugs from the screw access holes. I did this by tapping the plug off center with a small screwdriver and a small hammer. The plugs popped right out.

2. Use a #10 Torx driver to remove the screws from the holes.

3. The chip on my cooler was a TEC1-12708 made by HB. The part # was on the chip. I found the chip information by doing a Google search on the part #.

4. I found a replacement chip from Custom Thermoelectric. The part # to replace the chip in my cooler was P/N 12711-5L31-09CQ. Cost is about $20. You should specify that the chips that you order should be 'Sealed'. The lady that I spoke with said that the chips last about two years. The people at Thermoelectric were very helpful and appeared to be very knowledgeable.

5. You should apply heat-sink grease to both sides of the chip before installing the chip.

I hope that this helps.

WGD

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Emerson FR24RD Wine Cooler


If you are handy with small electrics, or know someone who is...

I had a similar problem and just solved it.
My cooler was leaking and had trouble keeping the proper temperature.
It was also making a buzzing sound which is what lead me to my solution.
BTW - The liquid that was leaking was condensation, probably because the unit was not holding a constant temperature.

Unplug the unit first - no need to get electrocuted.
These units use peltier cooling- essentially a large heat sink with three fans attached.
Click here for more info regarding peltier cooling.
The peltier unit is not repairable, but the fans are; which was what my problem was.
There are three fans on this unit, one on the inside and two on the outside.
Follow these steps to remove them.
  1. Remove the rear cover. It is held on with ten screws. This exposes the two exterior fans and the peltier heat sink
  2. The heat sink is held on with four screws - remove them and pull the heat sink out. The third fan is on a short wire lead, so be careful when removing the heat sink from the body of the cooler.
  3. The two exterior fans are connected to a control panel, the electrical connection is easy to disconnect.
  4. Once all of the wires have been disconnected, you can remove the fans from the heat sink.
  5. The fans are screwed to a mounting plate, which is screwed to the heat sink
  6. You must remove the mounting plate first to expose the screws that hold the fan to the mounting plate. The fans are typical computer case cooling fans
  7. I only needed one fan, but replaced all three because I didn't want to do this job again.
  8. I purchased my fans from Newark.com the prices were better than what I found at the computer websites. Also, these fans are much better than the original and will hopefully last much longer than the three I got from the old ones.
  9. You need one of these and two of these. The total with shipping was around $30
  10. You will need to splice the old electrical connection sockets onto the new fans using wire crimpers or solder them on.
  11. Attach the components in reverse order and power on the unit.
  12. These fnas may move more air than the originals, because the unit seemed to cool much quicker than I remember.
  13. Total time for repair is about 45 minutes
Hope this helps and Good Luck

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I had a similar problem and just solved it.
My cooler was leaking and had trouble keeping the proper temperature.
It was also making a buzzing sound which is what lead me to my solution.
BTW - The liquid that was leaking was condensation, probably because the unit was not holding a constant temperature.

Unplug the unit first - no need to get electrocuted.
These units use peltier cooling- essentially a large heat sink with three fans attached.
Click here for more info regarding peltier cooling.
The peltier unit is not repairable, but the fans are; which was what my problem was.
There are three fans on this unit, one on the inside and two on the outside.
Follow these steps to remove them.
  1. Remove the rear cover. It is held on with ten screws. This exposes the two exterior fans and the peltier heat sink
  2. The heat sink is held on with four screws - remove them and pull the heat sink out. The third fan is on a short wire lead, so be careful when removing the heat sink from the body of the cooler.
  3. The two exterior fans are connected to a control panel, the electrical connection is easy to disconnect.
  4. Once all of the wires have been disconnected, you can remove the fans from the heat sink.
  5. The fans are screwed to a mounting plate, which is screwed to the heat sink
  6. You must remove the mounting plate first to expose the screws that hold the fan to the mounting plate. The fans are typical computer case cooling fans
  7. I only needed one fan, but replaced all three because I didn't want to do this job again.
  8. I purchased my fans from Newark.com the prices were better than what I found at the computer websites. Also, these fans are much better than the original and will hopefully last much longer than the three I got from the old ones.
  9. You need one of these and two of these. The total with shipping was around $30
  10. You will need to splice the old electrical connection sockets onto the new fans using wire crimpers or solder them on.
  11. Attach the components in reverse order and power on the unit.
  12. These fnas may move more air than the originals, because the unit seemed to cool much quicker than I remember.
  13. Total time for repair is about 45 minutes
Hope this helps and Good Luck

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