Danby DKC645BLS Kegerator not keeping beer cold

Sounds like a faulty temperature probe or faulty temperature control circuit. Some modify their unit with an external temperature controller. It does require knowledge of wiring to perform the modification. There are detailed notes, images, etc provided by psychodad at
Thread Danby Kegerator Improvements Part II

Well, the control circuit get input from thermostat.
what you need to change is right the thermostat. I do not think there is any way to lower fridge temp if you do not replace thermostat.you could put an additional switch to turn on/off manually the compressor when you need extra cold, but in this way you risk to damage the motor.
You need to change the thermostat with one that switch on at a lower temperature. to do this you may need to use a non-fabric part.

regards

the adjustment dial , they are usually dirty from accumulated dust . at any auto parts store you can purchase a can of electrasol , unplug unit , spray into the middle of the switch, as you turn the switch, rapidly all the way around in both directions , repete this .. 2--3 times . look if possible, at the connections on the back of switch are clean ,and have good contact ... let device dry completely before plugging it back in and turning unit on.. let me know , good luck StevenT...

I bought a new kegerator and the same thing happened right out of the box.
The display was not pluged in.take Take screws off top and check to see if it pluged in.

mark pasieka has an inventory of refridgeration, kegerator and bar related parts (as well as everything else)... he has this bracket in his warehouse right now... at least one... he also has tanks of CO2, oxygen acetalyne anything you may need... mark.pasieka@gmail.com

This solution probably costs more than you care to spend on the problem, but you can buy an external temp controller like this one:
http://www.amazon.com/gp/product/B0002EAL58
You run the probe into the fridge and plug the fridge into the controller. Then the controller will only turn on the fridge if it gets warmer than the temperature you specify.
You might be able to find it cheaper on ebay, too. I'm using this on a kegerator and can keep my beer at a consistent temp.

From the operators Manual page 14:

http://www.manualnguide.com/dl/20835/

Each depression of the up or down arrow will
increase or decrease the temperature
incrementally by 1º (F/C) until the desired setting
is reached. The temperature can be set between
36-46º F (2-8º C).

Danby Phone:
1-800-263-2629

*Note: the display will flash for 5 seconds from
the time the last button was activated before
resuming display of the internal temperature of
the cabinet.

hello sir/mam
please check and change the temp sensor then see its working

You said ,Top half of Danby DKC645BLS refrigerator 10 degrees warmer than bottom half. Bottom half cooling to approx. 34 degrees.

Is it running all the time without cycling off and on as it should be doing?
Sorry to have to tell you this news.
But this would mean a bad thermostat or insufficient freon in the cooling system.

The same issue with the fact that one compartment is warm and the other is cool!

Let me know that service tells you!

Thank You
Huuum

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Not sure u have a problem.. all appliances dont HOLD a certain.. Temp.. They cycle.. come on for awhile reach a temp the shut down.. goes so low the comes back on... the middle of the cycle is the avarage temp... yours being 36 from what you posted