Moved into house with zanussi f/freezer no instructions could youn tell me how to defrost model no.z1918 it has a green pipe cleaner in the fridge compartment

Sounds like a defrost component Dave Start by turning the defrost timer slowly clockwise until refrigerator stops running and then stop. Open freezer and look and feel. Is defrost beginning to melt the ice?
Fridge Freezer Timer
Genuine spare part for select models of Electrolux, Faure, Zanussi and Zoppas fridge freezers.
Defrost Thermostat
or the
Fridge Freezer Defrost Heater
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you need to totally defrost the fridge/freezer and start as if it were new and dry.allow 24 hours for the unit to settle to the correct temp.
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more than likely the defroster inside the freezer has gone bad. This defroster is located in the space between the fridge and freezer and activates to defrost the freezer and stop build up of ice in the freezer.. If it is bad the freezer will not keep the fridge nor freezer cold.
Dave

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 .

OR.
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 In most newer models the timer has been replaced by an electronic control board.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.

the pipe which is located at the back of the fridge/ freezer may be blocked or hanging outside of the designated collection chamber designed for this purpose. Unplug from the mains and pull the appliance away from the wall so you can see and get to the back of it. At the back of it you will see a pipe coming out from the bottom of the cooling fins and will go down and the end of it will be sitting inside a shallow plastic collection unit - not covered but open. Itusually is sitting on top of the condenser unit. (this is a large sealed metal structure whic has pipes coming out of it and is the largest item in that area at the back bottom end of appliance). If there is some liquid in it then either move the pipe end into the dry area or emty it out. Sometimes there isnt a collection chamber but the pipe just drips onto the condenser and evaporates - usually on self defrosting certain brand named products but dont know much about that. Use a pipe cleaner to clear out the pipes from inside the fridge out toward the back using that pipe. the drainage hole is inside the fridge at the back and may have some sort of cover or plug in it. remove that and clean it and use the wire or pipe cleaner to shove doen the hold and clear the entrance and exit. Test pipe functionability by pouring a small ammount of water down the drain hole and see it coming out of the back via pipe. If still leaking make sure the vent areas in the back of fridge and freezr are not covered expecially in the self defrosting models. basically dont overload the fridge or freezer coz this causes blocked vents, difficulty derfosting on self defrosters, water builds up and gets out via the tube as it should, but more water than can be evaporated will cause puddles on the floor

This is normal. This is a defroster to keep moisture from condensation from freezing the doors shut.

Hi,
I had the same problem...it was a defrost problem in the freezer....mad i know...fridge doesnt work but freezer does...so its the freezer problem right!!!
This is how i solved it....there is fan behind the freezer compartment....you need to remove all the freezer draws then the plate at the back of the freezer compartment(everything is accessible from inside the freezer only) once removed you can put your hand up inside the gap(make sure power is off and unplugged) just in reach is the fan which you should be able to rotate with your fingers...mine was covered in ice and not able to move as a result the cold air couldnt be blown up into the fridge(the only thing controlling the air into the fridge is a flap and depending upon what fridge setting you have this determines how much cold air its letting in.)
If the fan has been frosted up you need to defrost the freezer....and source a new defrost sensor.
hope it helps.

9 times out of ten, when the freezer portion works, and the refrigerator portion doesn't, it is the evaporator fan that is the problem. I am not familiar with that model, so I do not know where the fan is located. But there is a fan that blows cold air from the freezer into the fridge portion. Usually, a fan blade is just stuck, and just needs to be repositioned or the bearing the motor spins on could be frozen or rusty. I little household oil usually does the trick, or you might need a new fan motor.

Another possible cause is the ice that can build up. If there is ice blocking the air's path it will have the same result. You said you had defrosted the unit, so this is not likely in your case

Re. Zanussi ZK87/46EFS Fridge Freezer

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 :)

clean up your condenser it's gotta be dirty and check your thermostat put it on the coldest setting and check your freezer fan.

if t ain't running check to see if wired with defrost thermostat if it is suspect it defective.