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Re: If we set the freezer to cut off at -10 next day it...
Definately sounds like a control problem. I'd start in that area first. Let me know what I can do for you. Just be sure to include the model and serial numbers and we will give it our best shot.
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My name is Peter. I am a retired field service refrigeration technician.
If your freezer is running continually something is wrong. Your refrigerator freezer will run, then shut down to go through the defrost mode. The defrost mode is usually 10 to 20 minutes approximately every 8-10 hours.
What is happing is your compressor is trying to maintain the set temperature and will not shut down until it does.
So, you either have a bad condenser fan (Cools the heat), a frozen cooling coil (Cooling air obstructed) or a bad cooling fan.
Un plug your freezer for 24 hours. Put plenty of old towels under the freezer to collect the frozen ice.
Clean the condensing coils underneath. If the fab=n on the bottom is not running, use a household fan and blow air under the freezer until you can replace the lower fan.
Send me a model number. I will give you the part number you need. Easy fix.
general design requires compressor on off ratio to be total run time to be 18 hrs on per 24 hr day off time allows compressor to cool down averaged over the day cool air is required around the outer walls of the fridge to cool the condenser coil at the rear also
You will have to check the over load and starter relay on the compressor.they are not expensive to replace.IF you replace it and nothing changes then you will need to replace the compressor.If you have a power meter you can check the continuity on the compressor contacts.If the compressor needs to be replace it could cost up to three hundred dollars for a unit that old.
Hi,
If the unit is a bit overcharged it will only go so low and then not cool any lower....you could try to remove a bit more charge and then see what happens... also check to see and make sure that the low press. switch is not cutting the compressor off...as the temp. drops so does the press. and if the switch setting is too high it will cutout to soon...
So... if the compressot runs continuously then drop charge...if it is cycling then sheck the switch...
The fans are controlled with a clixon that has a cut in at 5 degrees, and cut out at 20 degrees. If the unit is running and the fans are not comng on then I would have to say you are out of freon. But your condensor fan could be running and the compressor NOT be running which could be a problem with your compressor. Find out if your compressor is running by taking an amp draw. If compressor IS running then you are low on freon. If the compressor is running and your evaporator coil is cold and your fans AREN'T coming on then your clixon is bad.
Check rear wall of freezer by feel for frost. Heavy, even frost indicates likely problem in the defrost system. Unplug unit. Defrost heater (in freezer behind rear wall panel), defrost thermostat (same area-must be checked at freezer temperature) or Defrost timer-located lower back outside of unit. Near compressor. Do continuity test on heater and defrost thermostat and if they show continuity (good), replace defrost timer. If not, replace the one that tests bad.
Defrost coils fully. Reassemble.
Please let me know if I have helped with comments and rating.
Refrigerator will work about 7-10 days after being defrosted until thick frost builds up again cutting off air flow to both compartments
cycling every 30 mins is normal. bear in mind that frost free are more noisy as there are fans running as well.
you appear to have temp in freezer too high - should be -18degC
i dont think so i would look at the compressor kicking out on thermal overload or a faulty thermostat thermostats have two settings cut in cut out your cut in could be bad and not turning the compressor on till the temp reaches melting temps now if your hearing a click buzz then you need to look at the compressor and make sure the compressor fan is running but its not a defrost promblem
when its running how hot are the sides the starting amps are too high and 1.5 running amps ain't bad now the the cut in cut out are too high if you look on the dial that the mid point settings that's where you should have it not on 1 1 is hot set it on the straight line that's where you should do all your testing colder settings go up not down you could be overheating the compressor by making it come on too quick the freezer should be about -10 or so do you see any gaps in the gasket
Not sure of what cut out refers to. If you mean the power supply is tripped out after twenty secs hen I would say there is a fair chance of the compressor being down to earth (ie broken). If you mean that the compressor tries to run and then stops after twenty secs then there is a fair chance the compressor is stalled (ie broken). There is also a chance that the relay (starting device) may be at fault failing to start the compressor. If it is the relay then the cost may be around £70 if its the compressor then you are lookin at a couple of hundred pounds approx. The buzzing sound does sound like the compressor trying to run but stalled and unfortunately compressors have no real average anymore and are prone to fail whenever they choose to. Sorry to sound negative and hope this helps.
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