Question about Master Bilt 95 cu. ft. Commercial Freezer CL-5-75

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Compressor will not start

Changed the defrost unit up top and now the compressor will not start up,when you first turn it on it will jump like it's trying to.

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Take and close down the suction valve on the compressor and then try to start the unit after you recover some of the refrigerant out of the compressor the reason that it is acting like that is probebly because the compressor is full of refrigerant and slugging the valves. also verify the you have all the lesgs of power going to the unit. let me know how this turned out.

Posted on Dec 25, 2008

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1 Answer

When defrosting, what causes loud banging noises?


Hello David;

My name is Peter. I am a retired field service refrigeration technician.

The noise is coming from one of two places.

1.) Freezer Fan - The fan may be hitting ice. After defrosting the noise will disappear.
2.) Compressor Flapper Valves - Remove the cover to expose the compressor. Plug the unit back in. If the compressor starts jumping unplug the unit. Check the rubber bushings where the compressor is bolted down. Are the bolts loose? Is the rubber torn off? If the compressor is secure, then you have a bad compressor.

Dec 30, 2014 | Freezers

1 Answer

I have a Kenmore upright freezer model# 253.9260210. We noticed that our food was starting to thaw. I opened up the coil area and noticed a small piece of ice on the coils. I melted the ice and turned...


Feel top of the compressor and tell me how hot after it has been running awhile. I need also that you advance the defrost timer=>. 216517400 Defrost Timer
12_9_2012_4_41_32_pm.jpg

clockwise slowly untill the compressor stops or starts. I need to make sure the timer is not stuck into defrost. I want you to leave the compressor off for up to 35 minutes. If the freezer compressor doesn't restart bt then simply again turn the timer clockwise slowly until it does and then stop turning. The defrost timer is location 23 in this photo HERE If you need to turn the defrost timer like this to restart the compressor then replace the defrost timer and this will resolve the freezing problem. If not we move to the defrost heater location 14 in the sme photo=> 216254600 Defrost Heater
12_9_2012_4_51_55_pm.jpg

I am going to stop here until I hear from you, Thanks Sea Breeze

Dec 08, 2012 | Kenmore Freezer 20.3 cu. ft. Frost Free...

1 Answer

Worked fine unplugged it and plugged it back in lights on but compressor wont come on


Let see if by chance the defrost timer is stuck in defrost. Here is a photo of the back section of your Click Here=> FUF17DMRWH System Components Item number 121 is the defrost timer and I want you to take a flathead screwdriver and slowly turn the timer dial clockwise until the compressor starts or stops. If doing this will cause the compressor to start you will need to replace the=> WR09X10154 Defrost Timer
11_30_2012_9_56_08_am.jpg
If this is not the problem I want you to feel the top of the compressor to see if it is hot or too hot to keep your hand on top. This test you will need to have the freezer plugged in and set to come on. Doing this tells me that the compressor is trying to start but cannot. If this is the case then we will need to replace the start components listed as number 119=> WR08X10038 Overload
11_30_2012_10_05_19_am.jpg

and part listed as 128=> WR62X10058 Run Capacitor
11_30_2012_10_08_48_am.jpg
Let me know what you find and I will help you locate why the compressor is not running, Thanks Sea Breeze

Nov 28, 2012 | GE 16.7 cu. ft. / 473 liter Upright...

3 Answers

I have a Artic Air White Reach In Freezer. It is not blowing cold air from he top where the cold air comes in. Freezer was at 60 degrees F. I turned the defrost switch to make sure it wasn't in...


Is the freezer itself getting cold.To blow cold air.the freezer should get cold/friezed.the cold air blows from freezer to fridge side.first the freezer side gets cold, then when the freezer side gets enough cool to its set cooling temperature, at that time the defrost cycle starts.In defrost cycle the fan in the freezer starts running and the cool air from freezer starts going to fridge side.There is a ventilation passage between fridge and freezer from where this cool air passes.---------------- If in your case, the freezer is getting proper cold, but its not blowing cold air from freezer to fridge, then possibility is that, there is a blockage in ventilations.But if ventilation its clear, then its defrost problem.First try manual defrost reset procedure. The procedure is as follows: ---- First unplug the unit from main power outlet. Then empty whole unit completely. Then keep both the doors open. Wait for 24 hours. All the ice collected on the coils and in the freezer section will get melted. Clean the water from the sections. Then Connect the power cord of the unit to main power outlet after 24 hours/.Then set the temperature to normal in both fridge and freezer section. It will take near to 4 hours to get run in its proper cooling cycle. Then check, if the problem returns again. Then its defrost board problem. ------------------------- BUT if in your case, the freezer section itself is not getting cold, then the problem is compressor related.The compressor is the part which cools the freezer frost.In the compressor, there is a refrigerant to cool the freezer.If the compressor gets weak or the refrigerant gets low, then it will not cool the freezer, if the freezer is not cool then it will blow warm air from freezer to fridge, in defrost cycle.In that case, the compressor is faulty and its the cause of problem.------------ So you will have to first check , that is your freezer getting cold or not.as per that you can start the troubleshooting.------------------

You can get required parts from from online sites like: --- www.repairclinic.com or from searspartsdirect online site. --------- This should help.Thanks.Helpmech.

May 01, 2011 | Arctic Air Freezers

2 Answers

My freezer N308 F&P makes a little noise but motor not going. It is slowly starting to defrost and water coming out...I turned it off and on but same.


The compressor could be gone, the niose you hear will be the internal fan unit running , this circulates the cold air arount the inside of the unit. If this unit has a timer, it will be a located in the compressor housing well in the lower rear of the , it will be separate from the compressor and will have 5 wires plugged into it, on that unit, locate a small round knob and turn it clockwise, it should start, if it does, replace the timer, if not, check the thermostat. This may need a tech to do safely as you are working with a live curcuit.
Hope that helps but without being there it quite hard to explain.

Dont forget to vote and goodluck, need more help contact me wgheaven@yahoo.com.au and if you are in Perth Australia, I can have a look at it.

Mar 22, 2011 | Freezers

1 Answer

Frigidaire, chest freezer only 2 or 3 yrs old, was...


See if you have 120 volts at the compressor if you do do you hear any clicking sound at compressor if not replace compressor Start Relay/Overload if you hear clicking sound the compressor may be bad or Start Relay/Overload the only way to know is to replace the compressor Start Relay/Overload. If you do not have 120 volts at the compressor jump out the thermostat you should have 120 volts at the compressor now if not you may have a defrost timer Prob. if this is shelf defrost unit check timer turn knob to see if it starts.

May 19, 2010 | Frigidaire 12.8 cu. ft. Chest Freezer...

1 Answer

Compressor or fan not working


If compressor and all fans not working and unit has power.Check defrost timer maybe bad or sticks turn defrost timer knob if unit starts timer is bad.Timer only turns in one direction.

May 16, 2010 | Freezers

1 Answer

How to locate and replace defrost timer. Seems to stick in defrost mode.


Your unit is not a self defrosting freezer and consequently has no defrost timer. There are only four components required for cooling in your unit. The temperature control, behind the knob in the cabinet. The compressor at the back bottom. The start relay and overload in a box attached to the compressor. The run capacitor attached to the start relay. A failure of any of those will cause the compressor not to run.

Check the wall outlet to be sure you have power.

If the compressor IS running but not cooling, the compressor itself may be defective or the gas charge may have leaked out. Compressor and refrigeration problems are likely beyond your capabilities in terms of knowledge and equipment.

The temperature control may be tested by all connecting the wires of the control to ONE terminal after unplugging the freezer and marking down teh original locations of the wires. If the compressor runs and cools after this by-pass then change the control and return the wiring to the original locations.

If the above does not make the compressor run the next possibility is changing both the relay/overload assembly AND the run capacitor. If these fail to correct the problem you need a new compressor but you will likely NOT be able to return the parts replaced.

Good Luck

Sep 27, 2009 | Frigidaire 14.1 cu. ft. Upright Freezer...

1 Answer

Wont cool at all


on the compressor there is a device called a thermal overload its the box that plugs on the compressor it might be bad if you have a wire with two aligator clips on it you can jump the terminals on the thermostat as it may be bad if you do that and it starts then the thermostat is bad if this is a self defrost unit then find the defrost timer and turn it slowely clockwise if it starts then the timer is bad

Jun 02, 2008 | Coldtech 6 cu. ft. / 170 liter Commercial...

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