Arctic King Chest Freezer Intermittent Cooling


Arctic King Chest Freezer Intermittent Cooling

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cavo14
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Model Number: Arctic King WHS-258C1WS
Symptom: Freezer will work for a few says then stop. To get the freezer working again I manually turn the thermostat to off and then back on again, but after a day or two or more if will cut off and not on again. 
I went ahead and attached the electrical schematic from the back of my chest freezer if it helps. I've taken all the individual components out and tried to test them to determine what component was broken. 

Capacitor is a 8uF cbb65. To test this i used my multimeter. I got 7.95 uF for capacitance and when i did an ohm test on it I started out at 0 ohms and very quickly (about 1 second) jumps to open circuit reading. To test again I have to change my leads.

Overload Protector is a DRB24P61A1. It looks very similar to the LG 6750C-0005P on Amazon. I got about 0 ohms when I test the flat prong coming off and the circular connector that attaches to the compressor motor.

Compressor Starter Relay is a 3 pin QP2-4R7 when i measure across the M and S terminals i get roughly 4.7 ohms. 

Motor reads about 5-15 ohms between any of the prongs coming off of the motor and reads open circuit to ground on all prongs so isn't shorted. 

Thermostat is an adjustable WPF28E-EX. It reads open when set to off and reads 0 ohms when set between min and max when room temperature. 

I'm not sure if I'm testing everything correctly, but I'm not finding anything wrong. What components can cause the compressor to cut off and not turn back on? Any help would be great I'm happy to test anything that you might determine what is wrong. I contacted their customer support and they gave me a refund for the freezer. Now i'd like to try and fix it for a reasonable price to save some money.
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the temp control is what turns the compressor on and off.. I have no technical info on this brand though unfortunately





cavo14
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I think you are right that it is probably the thermostat. Since it is a mechanical thermostat I think it might be getting stuck in the off position occasionally and needs to be manually reset to get the contacts to reconnect. I went ahead and bought a digital thermostat relay since it was about the same price as the mechanical thermostat, but i can get some fine tuning with it. It's an inkbird itc-1000.


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