Zanussi low frost freezer

I do not believe the problem is the fan. sounds like the frig. is low on Freon this is what will cause the ice build up. you need to find the leak, you can do this by spraying soapy water on coil tubes & watch for bubbles. repair leak & recharge.

Is the compressor running? If not - the timer could be stuck in defrost mode. If it is ruinning, then the freezer coil should be cold. If it is choked with frost & ice - then the defrost heater isn't getting powered (bad timer or defrost terminator - or is getting powered but has burned out.

You should allow the ice and frost to melt completely before turning back on again. Typically ice and frost don't build up so bad in a few days time to cause the temperature rise you're describing If getting cold - the compressor and refrigerant is likely OK, if not the defrost circuit is suspect. If compressor running but not getting cold - a refrigerant leak / charge level may be causing the problem.

The refrigerator is supposed to self-defrost approximately four times in every 24 hour period. If one of the components in the self-defrosting system fails, the refrigerator continues to try to cool. Eventually, though, so much frost builds up on the evaporator coils that the circulating fan can't draw air over the coils. There may still be a small amount of cooling because the coils are icy, but with no air flow over the coils, cooling in the refrigerator compartment is quite limited. Poor cooling is often the result of a heavy frost build-up on the evaporator coils. You can't see these coils without removing a panel on the inside of your freezer. A sure sign that there is a build-up is the presence of any frost or ice build-up on the inside walls, floor, or ceiling of the freezer. Such a frost build-up usually indicates a problem in the self-defrosting system or damaged door gaskets.Here's an inexpensive, though inconvenient, way to determine if the problem is with the self-defrosting system. Remove all of the perishable food from the refrigerator and freezer, turn the thermostat in the refrigerator to Off, and leave the doors open for 24 to 48 hours. (Be sure to have several towels ready in case the melting frost and ice causes the drip pan to overflow). This allows the refrigerator to defrost "manually." When the frost and ice build-up has completely melted away, turn the thermostat back to a normal setting. If the refrigerator then cools properly, it indicates a problem with one of three components in the self-defrosting system: The defrost timer The defrost thermostat (also called the bi-metal switch) The defrost heater. To determine if the defrost heater is burned out, watch this part testing video

If you just purchased the freezer 3 weeks ago, I would be calling the store and or the manufacturer, and have them send out a service man to fix it or replace it.

the unit was still wet inside when you switched on the fast freeze,hence the frost and ice.

Either the door gasket is not sealing well or the unit is low in refrigerant.

if it seems like the evaporator is getting cold then your sealed system should appear to be ok. you need the evap fan to transfer cold air into fresh food section. if not turning u need to replace fan motor. make sure your not getting to much frost build up on the evap.

hi i have same problem one of my lodgers left the door open and it froze thick with ice i defrosted it and let it dry for 3 days and was fine for a couple of days then it defrosted so i switched it of for 24 hours it worked fine for a day before it defrosted again could you email me with any help thanks [email protected] matt

You have a defrost problem. It means you have 3 parts that can be involve ( timer, defrost thermostat, element) most of the time it's the timer. Hope it was helpful. :)

Francois

Defrost timers usually cause this type of frost build up. However it can also be caused by the defrost heater and/or heater thermostat, and these items are behind the panels therefore not easy to get to. Also before you attempt to take the panels apart make sure the refrigerator is unplugged.