I have an older beer cooler. the fan costantly runs but the refrigeration part of the beer cooler doesn't keep the keg cold? ? ? It's refrigerate is r12 cooled. Do you think I could just re charge the coolant and that would be a solution? ? ?

Contact the maker direct, there is nothing online.

https://www.kegerators.com/keg-refrigerators/

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Came with R-12. You can use MP 39

try changing kegs sounds like the tube in the keg is broken the keg has a tube that runs to the bottom of the keg inside and u push air into the keg to push beer thru that tube and into a cool glass and down to ur gulletbut it sounds like u have a defective keg or an empty keg

There is 2 kind of compressor location on those beer coolers. I have video of both. Hope that helps.

It sounds like you have a bad fan motor. Call a service company out. They should be able to fix it. :)

how cold is the beer?,too cold and it will foam,can you control the CO2 pressure???too high and it will foam, or you may have a bad keg of beer

Most evaporator fans run all the time. This is mainly to use the air flow to assist in melting off any frost build up during the compressor off cycle. If that fan shut off with the compressor the coil will have a tendency to freeze up. :)

thermostat is bad disconnect tstat and see if cooler goes off

It can take a very long time to get a keg of beer down in temperature. The heat transfer from a keg is slow due to the lack of air circulation inside the keg. You should also check your condenser coils, make sure they are clean. Door gasket should also be in good repair. Hope this helps.

Keep a thermometer handy. (adjust temperature control knob accordingly)
Periodically monitor temperatures inside your cooler. (adjust as necessary)
Keep the refrigerator door closed as much as possible to avoid temperature fluctuations

The temperature of the refrigerator compartment is
controlled by adjusting/setting the thermostat control
knob, located on the ceiling of the refrigerator
cabinet.
To start the refrigerator, and achieve maximum
cooling quickly;
• Turn the temperature control knob (using a coin
or screwdriver) clockwise to the furthest
(maximum) setting on the darker blue section of
the graduated control dial.
• Allow the refrigerator to run at this setting for 3~4
hours.
• When maximum cooling is achieved, turn back
the temperature control knob setting to the 2:00
o'clock position on the graduated blue control
dial.
• Correct cooling temperature is a key factor to
consider in storing and dispensing draught beer.
• Optimum temperature for serving draught beer is
between 34ºF ~ 38ºF.(1ºC ~ 3ºC)
• To maintain temperatures ranging between
34ºF ~ 38ºF.(1ºC ~ 3ºC) We recommend the
thermostat knob be positioned at the "2:00
o'clock" setting on the graduated blue control dial.
• To turn off the refrigerator, (no cooling) rotate the
control knob to the "0" position.