I have a Master-Bilt walk-in freezer. The temperature is supposed to be at -10 degrees. The freezer will start but shuts off at 0 degrees and will not cool down enough. The compressor runs hot. Please help.
If the temperature drops to zero and no more (water freezing point) - could be that there is moisture in the system and this freezes at zero degrees blocking the expansion valve (valve where the pipes join at the inside coil). If this is the case you will need to get a refrigeration technician to open up and help you.
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Re: Master-Bilt Freezer doesnt cool enough
The only thing I could suggest is looking at the evaporator (inside coil / cold bit) and making sure it is not frozen over reducing the airflow through the coil. If it is then put it onto a couple of defrost cycles to clear the ice build up. Not sure exactly of this type but would assume you also have a sight glass on the external unit, you can check this to see if when running the sight glass is clear (fully charged). Another check is looking at the compressor and the larger of the two lines (suction) should be cold back to the compressor (this line is normally insulated). However I would suggest your best course of action is a good refrig. techy. Hope this helps.
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In general, when the conditioned space is close to the desired temp, usually about +10 degrees, is where I would start checking as most freezers are about 0 to -10 degrees. I would look for a super heat 6-8 degrees and nothing less than 4 just before unit shuts off. This is usually the most common numbers used for most all freezers. Good luck!
I understand your Frigidaire freezer, model# LFFH21F7HWJ, is displaying -10 degrees and runs continuously. I also see that you were unable to set it to 0 degrees. I suggest resetting your appliance, by either unplugging it or shutting the power off at your home's circuit breaker, for 3-5 minutes. Sometimes there can be a miscommunication between the different boards inside your appliance. Restore power and try the temperature to 0 degrees. I ask that you please follow up with a comment on the post, at your convenience, to advise if further troubleshooting is needed or if your appliances status has changed successfully. Hope this is helpful.
This is normal if your freezer is in good working condition. If your compressor runs constantly then there is a problem. Once the unit reaches the set temperature the compressor shuts down. The set temperature should be between -2 & +2 degree F. The set temperature also depends on how full the freezer is. There will be a time when the freezer like refrigerators will shut down. This is relative to the term, "Frost Free". The unit will shut down for about 10 minutes. This occurs ever 8-10 hours. The heater turns on to defrost your freezer coil. It sounds like you are in good shape.
The settings are "relative". Someone with this fridge in Montana may need to run the same fridge with different settings than someone in Texas to get the same temperatures.
Many manufacturers recommend that the fresh food compartment should be 34 degrees F, and the freezer -10 to 0 degrees F. To set this properly, place a thermometer in the freezer (that can display temperatures as low as the desired temperature). Adjust the thermometer for the correct freezer temperature before going on to the fridge. A fully stocked freezer could take 12 hours or more for temperatures to stabilize after making changes to the thermostat. Once the -10 to 0 degree temperature has been achieved, set the fresh food compartment temperature.
Place a thermometer (that can display below freezing) in a 6 (or so) oz flexible plastic cup of water and place on a shelf in the fridge. A glass of water could break if the temperature gets below 32 degrees if the water turns to ice. The water acts as a buffer to rapidly changing temperatures when the door is opened to read the thermometer. If the fridge is "full", allow 24 hours for the temperature to stabilize before making changes.
If the fridge and freezer are empty, changes may be seen in just a few hours or less. Otherwise, wait the 12 / 24 hours for the freezer / fridge compartments.
If the temperature fluctuations occur (at least the ones to 20-30 degrees) at intervals of 6 hours or so then you are catching it in it's defrost mode which occurs on a timer. The timer shuts off everything except lights every 6 hours for an average of 20 minutes. This usually isn't enough to thaw things but I have seen it cause some crystale. Look closely at the back inside wall of the freezer for an accumulation of frost. If you see it there then you may have a defrost problem. Usually this is accompanied by steadily rising temperature in the freezer and fresh food secions both. The temps you listed (0to10) are fine. Good luck, AJ
Depends on the product you want to keep in the freezer. Usually you want to try and stay between 0 and +10 degrees for most items. Ice Cream must be -10 degrees minimum. Any warmer and it won't keep. Hope this helps.