Okay I have a True Refrigeration GDM-26 Cooler. I plug the cooler in and about 20 seconds later it makes a loud noise and the light inside the cooler flickers and the the compressor sounds like it kick off for a second and then starts back up. It does the same thing in about another 20 seconds. I turned the cooler temperature down to 0 and the light stayed on and had no problems. The only thing is at 0 the cooler doesnt get cool, but it did solve the problem. To make the noise more clear, at first I thought the fan was catching on something underneath but looked closely and found nothing in the fans path. I need this solved as soon as possible. Thanks for your time. my e-mail address is email@example.com if you need any more details. Thanks -Nick
More than likely you need a new compressor. It sounds like it's trying to start and then trips on it's "Klixon" overload. Call a commercial refer guy (not somebodys brother in law that works on A/C, it's NOT the same!)
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www.fixya.com/support/p22955-true_gdm_12_refrigerator_commercial Recent True GDM-12 Refrigerator Commercial questions, problems & answers. ...Where is the temp control on the older (14 yrs or so) on GMD-12? True ..
Dirty or greasy condenser, cooling coil iced up, compressor failing, dirty cooling coils or blocked with paper or wrap, low on gas from a system leak, above or below operating temperatures in the area surrounding the refrigerator, condenser fan motor failed, one of the doors was left open, bad wall plug, failed thermometer, or a combination of any of the above. Hope this helps good luck.
My Gdm 12 was doing the very same thing. Remove the from grill plate by taking out the 4 screws below the door. This will expose the compressor mounting plate . While the compressor is running, and is at its loudest, loosen or tighten the two front hold down bolts until the noise goes away. Most likely, when you cooler was moved or transported off the shipping pallet, it was bent slightly allowing contact between the bottom of the compressor, and the mounting plate. Hope this helps.
This whole idea is something you should have a qualified refrigeration technician doing. There's a point in the piping from the compressor to the radiator fins, which can be located behind, underneath or inside behind a plastic panel, where the freon is both installed and removed. It requires special equipment to do both and if you get moisture in the system you can pretty much kiss it good bye. Let a pro do this.
possible bad defrost timer,or control on an off is bad,were you adjust temperature...thermostat from 30 to 65.00 dollars....possible there is leak or unit is under or overcharged..more than likely under charged...possible defrost heater is not working...good luck..michael doctor airr appl.repair..service tech..843-384-8474...call if need additional help ..its free..
It could be smelling burnt for a few reasons. The best case scenario would be that the condensor fan is stuck which is causing the compressor to get hot and burn, in this case you would just find the obstruction and remove it. Or the condensor's fan motor could be bad, causing the fan to spin slowly which would also cause the compressor to get hot and burn, in this case you would replace the fan motor. Or the cooler has a restriction in the refrigeration lines causing the compressor to work harder which causes the compressor to get hot and burn. In this case call a refrigeration technicion to clear the lines.
You have not said if the cooler is cooling to the correct temperature or achieving the setpoint. Make sure that the correct thermostat has been supplied. Also that the sensor has been installed in the correct location. If all of the above is correct, then I would have the refrigerant level checked.
If the cooler has power, the condesor fan (bottom) and evaporator fan (top) are spinning put your hand on the compressor. Do you feel a vibration? if so, you probably have a refrigerant leak. If not (if its clicking or nothing at all) its a compressor issue.
turn thermostat all the way to the left to turn it off. restore power and see if it stays on and inside fan is running. Then turn thermostat to rite to turn on compressor. If the power trips when turning thermostat back on, the compressor may be bad. :(