Every now an then at random intervals my small display beverage cooler makes a rattling sound for about a second. Currently at about 60 degrees and seems to cycle between 60 and 40.
Sounds like it may be cycling off hard due to high discharge pressure. Make sure the condenser under the unit is clean and the fan motor is running. It shouldn't be running 60f. A lot of people make the mistake of checking temperature with an empty unit. Put a couple of gallons of water in the unit so that the temperature evens out. These units do NOT run based on air temperature but rather on inside coil temperature. That will swing wildly with no load in the unit.
SOURCE: bev air cooler
Bill, the main reason I've noticed for higher than normal temps in these boxes is filthy condenser coils (this will affect pressures in your sealed system). Remove the front lower panel and inspect your coils. Use a coil brush or a dust broom to thoroughly clean them up, don't use water. You can also pick up some condenser coil cleaner in a spray can from your local appliance parts store, but it's not necessary (the fumes are strong and may be objectionable to your customers... it gets 'em really clean, though!) After cleaning the coils, allow 24 hours for temps to stabilize. If they don't, here is a site for Beverage-Air, contact your local servicer with you exact model and serial number for pressure specifications. http://www.beverage-air.com/technical.service.html Hope this helps! Let us know, will ya?
SOURCE: beverage cooler not cooling enought
Jeremy, after the line and new filter drier is put in the high pressure side and silver soldered make sure the unit is placed in absolute vacuum for 30 to 60 minutes. It's critical that all air and moisture is remove and the charge applied on low side with out a single air bubble put back in. You may need some on hands help on this solution to get the cooler working properly, Thanks Sea Breeze
SOURCE: Under counter beverage cooler
It might be ice around the fan. Try defrosting it. This has been happening to mine, even through it is supposed to be 'frost free'
SOURCE: Beer Not Cold!!!
There is a temperature control knob on the back side of the ref. it is on the bottom by the compressor
Have you adjusted this?
clayfoot
SOURCE: Whirlpool Beverage Center (WBC127BLS) - Won't cool enough
If you're handy with a soldering iron, it's possible to 'trick' the fridge into cooling down a few more degrees.
Long version:
If you open the door to the fridge, on the right wall near the bottom is a small plastic grate. You should be able to pull this straight out from the side wall. There is a temperature sensor attached to the back of the grate. Unplug the sensor. (The fridge will then give you a very annoying error beep and display "EE" on the readout. Pushing the °F-°C button stopped the beeping.) This sensor will change resistance with temperature. (The lower the temperature, the higher the resistance) I was reading a resistance of about 3700 ohms at 43°F and 2460 ohms at 68°F. Throw in a rough assumption that the response is linear and it works out to almost 50ohms/degree. In order to 'trick' the fridge into cooling down more, you need to drop the resistance. I was aiming for about 6 degrees cooler. Assuming the resistance response was linear, 6 degrees cooler would give me about 4000 ohms from the sensor. By jumpering a 50000 ohm resistor (yes, 50K ohm) in parallel with the sensor, I should get about 6 degrees cooler. I did the soldering, plugged the sensor back in, and ended up about 8 degrees cooler. Two days so far, everything appears good and the beer is cold.
Short version:
Put a 50K ohm resistor in parallel with the temperature sensor behind the grate on the inside right hand wall.
The temperature read out will be inaccurate forever after though. But then, I just want cold beer, my wife wants cold water, and the kids want to play with the cool blue light. I don't care what the number on the readout is.
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