Seems like a regular problem on here, but my 2yo Zanussi Z55/4 is broken! The freezer compartment was working fine, but the fridge stopped - no air coming through the cool flow duct. When I open the freezer door, surprise surprise, the air starts flowing into the fridge??? Also, yesterday the freezer started warming up. I took the back panel off the freezer and the coils were totally iced up, so I let them defrost with the unit off for a while and the freezer is working again now. However, don't really want to spend £50+VAT call out if there is a solution to my problem that I can try? Please help!!!!
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Re: Fridge is warm, freezer is cold!
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 no working. Good job trouble shooting!
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The fresh food compartment is cooled by air being blown from the freezer compartment into the fresh food compartment.
There is a panel, or door if you will, that separates the freezer and fresh food compartments. The freezer temp control determines how much cold air is allowed to escape into the fresh food compartment by opening or closing this panel.
In your case, the door must be stuck all the way open, allowing all the cold air to be diverted into the fresh food compartment. The compressor cycle is controlled by the thermostat in the fresh food compartment and thus 'short cycles' because the fresh food compartment acheives normal temperature while the freezer is relativel warm.
If the panel is restricted from moving (stuck in the extreme open position, for example), the fresh food compartment will get VERY cold while the freezer will be warm.
Try thoroughly defrosting the refrigerator. Possibly an accumulation of ice is preventing the panel from moving and/or is diverting all the cold air from the freezer into the fresh food compartment. It's a free fix and may solve your problem altogether.
If that doesn't help, or helps only temporarily, you may have a problem with panel/door/flap itself or the linkage that connects it to the control mechanism. Unless you're skilled in appliance repair, checking and repairing these components will require the help of a service technician
How to check everything http://www.acmehowto.com/howto/appliance/refrigerator/refrigerator.php
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.
There is a fan that blows the cold air down from the freezer to the fridge compartment. It is usually called a freezer fan. Most of them are behind the plastic lining in the freezer. I just noticed that your fridge is a side by side. I have never wored on a side by side but I imagine there is fan in them as well.
Possibilities include inside fan unit not running for some reason, thermostat cycling the unit off before its cold, compartment light staying on, damper adjustment set too warm or broken or blocked. There are others but less likely.
I had the same problem; the top fridge compartment was warming up to 14C while the freezer compartment was starting to defrost (frozen stuff was starting to become soft. I took the rear wall off the freezer compartment and found it all iced up. I defrosted it with a blower heater then powered it back up. It all worked fine for a month when the same thing happened. I figured that the defrost cycle wasn't working. I located the defrost timer on the rear right-side of the fridge. I rotated it several times and found that the fridge was turning on and off. I rotated it until the fridge turned off. I waited 5 minutes then stuck my head into the freezer compartment and felt the rear wall at the bottom where he drain is; it felt warm so I guessed the defrost heater element was ok. I ordered a defrost timer and installed it. I haven't had a problem since.
The same symptom occurred in our fridge freezer. The fridge compartment warmed up whilst the freezer compartment continued to keep temperature.
The cause of our problem was diagnosed as a frozen sensor that controls a flap, that controls the flow of cold air from the freezer compartment up into the fridge compartment. We were advised to power off the fridge freezer (removing all food and trays from the freezer unit first), and to leave it to defrost for 24hrs. We needed to place a few towels on the floor of the freezer compartment to soak up the melt water. After 24hrs we followed the power up instructions in the manual (versions are available online if you have lost yours). Within a few minutes it was obvious that the fridge compartment was being cooled – Problem solved :)