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It sounds like your compressor is having a hard time starting. Take your model number to an appliance parts store and ask for a compressor start relay. It plugs directly into your compressor and is easily replaced. Remember to unplug the refer first.
With that amount of info it would be hard to try to pinpoint it. Here's a list of items that can cause a refrigerator to not cool.
Items that will cause a refrigerator not to cool..... 1. Defective thermostat 2. Defective freezer fan motor 3. Defective defrost timer 4. Defective defrost thermostat 5. Defective defrost main heater. 6. Defective condenser fan motor 6. Defective compressor overload protector 7. Defective compressor start relay 8. Defective compressor start/run capacitor (some models only) 9. Defective compressor 10. Restriction in refrigeration sealed system 11. Loss of refrigerant (leak) 12. Excessively dirty condenser 13. Broken wires, bad wire harness connectors, ect. 14. Defective fan motor switch (some models only)
As you can see it could be one of many,many items. If your handy with a meter you might want to start at the bottom back of the machine where the compressor is located.
Sounds as if it is not running, or running without refrigerant in the system.
Also, if it has a cooling fan motor in that area, make sure it runs, since all fan motors are wired to run at the same time.
To answer your first question no it is not suppose to run all the time. There is a relay that control the motor that is bad and you will need to replace it. The reason you can bump it and it works is because you are shacking loose the items inside the relay
. Cut everything off for a few minutes then turn it back on and listen for a click from the compressor relay as the compressor tries to start. Is the compressor motor running.If no check starter/overload relay. If the relay is ok there is a compressor problem or low freon it it don't start
Check to see if the condenser fan at the back underneath near the compressor is running. If no check fan.
Are the condenser coils near there warm or room temp. should be warm
Is the evaporator fan in the freezer running. It blows cold air into the fridge side through a damper in the wall between the freezer and fridge. Make sure the damper is open.
Below the evaporator fan is the evaporator coils. Remove the back cover in the freezer to observe the frost pattern. Light frost everywhere(NORMAL) or a partial pattern of ice(LOW ON FREON) or nothing(LOW FREON OR COMPRESSOR PROBLEM).
Thant must be checked out soon as that buzzing sound is the start relay struggling to start the compressor. The longer it goes on without repair to either the sart/run capacitor, start relay and overload the higher the chance there is for complete compressor failure. The condenser and evaporator areas should be cleaned and inspect both internal freezer fan and lower condenser fan that both run without stopping. Let me look for a service manual for your model and return soon, Thanks, Sea breeze
i changed the overload relay- is it possible that a dusty underside of the refrigerator is causing insufficient airflow over the evaperator coil makeing the unit work harder? I also noticed the relay was discoloured when i took the old one appart, but never the less the unit works great. The part cost me 17.99 plus tax at Sears, it took me no time to get the relay off and replaced. cool huh
its the compressor relay thats clicking[its a little unit connected to compressor with at least two wires]it could be that its [relay]going bad or the compressor could be failing,but it dose cool once it gets started so thats a good sign.the relay has two parts.one an over load,thats like a curcit breaker,it cuts power to compressor if its drawing to much amparage.the other part is a swith that goes fro start winding to run winding.as a repairman i would pull relay and use volt meter to check winds before replacing relay.its been alittle while but depending on age of refer,start winding around 2.7+-.5run winding 1.1 +- .5 new box use less energy so lower resistance older higher.hope that gives you a start ps fan goes off on because its starts with compressor.God bless ,tom
Sometimes when the evaporator fan goes out, it takes part of the motherboard also. (part number WR55X10552, which also subs into a WR55X10656) If this is the case, I would not expect the refrig to be running either. (If your compressor still runs, check door switch.)