Question about Refrigerators
The defrost cycle is not happening like it should, that's what causes the block of ice (and poor air flow). If you have all that defrosted look at the defrost bi-metal, it usually is a small round disk with a couple wires coming out of it and it's clipped on the coils. When it's cold enough, it passes electricity to the heat elements, when it gets hot enough it "opens" and kills power to the heat elements. If that is bad (swollen cracked or bloated) and not passing electricity to the elements that's the problem. Another item would be the defrost timer itself, if it doesn't work (no clock motor turning) then it will never go into defrost. And the last and usually least expected failure would be the heat element themselves not working
Posted on Oct 09, 2007
SOURCE: zanussi fridge freezer
This to me sounds as if either your gas is not circulating through the refrigeration system, or you have a problem with thermostat. If you have recently physically moved the fridge and then powered the appliance up on the mains without letting the gas settle, then you could have damaged the fridge. And there is not really a lot you can do about this, unless you want to call out a refrigeration engineer to re-gas your fridge and assess the circulation of the pumped cold air flow.
Other problems aside of gas and thermostat could be associated with the pump (if your model has one fitted), and with this in mind, i have a good mind to have a look at the SIOS (spares, Information, Ordering, System) disc for zanussi vendored models and then get back to you once i have a further solution for you. However, I will need your make and model of zanussi fridge, so if you have this to hand it will be most appreciated. In the sad event that you dont have the paperwork/ manual for the fridge, then you can find the manufacturers model details on the rear of the fridge. however, when you move the fridge, you will need to let it stand again before powering up the unit after repair, and this should be done for a period of no less than 24 hrs, and no less than 28hrs if your appliance is a fridge freezer combi.
So once again, when i recieve further information regarding your make and model of refrigerator, then i will be able to fully investigate this matter for you, and try to come up with your most appropriate solution..
In the mean time, i bid you take care, and hope to hear from you soon
Posted on Apr 11, 2008
How to check everything
The fridge gets its cold air from the freezer through a vent(damper) between the freezer and fridge.The fan in the freezer blows air through it. There is a flap you adjust with the fridge temp. control. Make sure it's opening and closing when you adjust the fridge temp .
If the evaporator coils behind the back panel of the freezer are icing up because of auto defrost failure that will stop the circulation of cold air and eventually affect the freezer too.
check defrost timer, defrost heater, defrost thermostat. In most newer models the timer has been replaced by an electronic control board. If the heater and thermostat are ok it’ll be the control.
You can turn the defrost timer till it clicks and everything shuts down. The heater should now come on. If it does, replace the timer. If it doesn't, check the heater and defrost thermostat. Turn the timer again till everything starts back up to end the defrost cycle.
Posted on Aug 24, 2009
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