What Ice Rear Wall means on your Asko refrigerator (asko refrigerator ice buildup)
Asko refrigerator ice buildup on the rear inner wall means frost is accumulating on the panel that hides the evaporator coil rather than melting off during each automatic defrost cycle. A little frost after a long door-open event is normal and clears on the next cycle, but a thick, persistent sheet of ice means the defrost system itself is not completing its job. Because that rear wall panel sits directly in front of the evaporator, ice there is one of the clearest visible signs of a defrost-system problem and is the reason the manual routes this symptom straight to the heater, thermostat, and timer rather than to the compressor.

Symptoms
What your Asko refrigerator is doing should match the list below if this is genuinely the problem rather than one that only resembles it. The refrigerator may present one symptom or many, sometimes over several cycles and sometimes right after a power cut, a heavy load, or a recent installation.
- A visible layer of frost or ice coats the rear interior wall
- Cooling gradually weakens over several days rather than stopping suddenly
- Items stored against the back wall stick to the ice
- The compressor runs longer than normal trying to compensate
Common causes
A single set of symptoms on your Asko refrigerator can come from any of the causes below, listed with the common ones first. Eliminating them methodically separates the quick checks anyone can make on a refrigerator from the problems that need trained diagnosis and Asko parts.
- Defrost heater not energizing — the element that melts frost off the coil during each cycle has failed
- Defrost thermostat not ending the cycle correctly — the sensor that should sense the coil has warmed and cut the heater is misreading
- Defrost timer or control board not initiating cycles — the automatic defrost schedule is not running at all
- Door left open frequently or sealing poorly — extra humid air enters and adds to the frost load faster than defrost can clear it
Troubleshooting steps you can try
Before calling anyone out, run through these checks on your Asko refrigerator in sequence, as a fair number of problems clear at this stage. Draw the line wherever you feel out of your depth on the refrigerator, or where mains power, gas, heat, water, or a sealed component comes into play, and let a technician finish.
- Check the door gasket and confirm the door is closing fully, since a poor seal adds frost load.
- Note how thick the ice is and whether it has been building for days rather than hours.
- Avoid chipping at the ice with anything sharp, which can puncture the coil or wall panel behind it.
- If ice is thin and recent, allow a full defrost cycle (several hours) before assuming a component problem.
- If ice keeps returning or is already thick, arrange service before it blocks airflow completely.
Parts a technician may replace
The parts list for this problem on your Asko refrigerator typically includes the defrost heater, defrost thermostat, defrost timer or control board, and door gasket, any of which a technician might inspect, test, or replace. Genuine OEM or trusted-supplier parts are fitted to your refrigerator, identified from its model, serial, and Art. No., so the refrigerator keeps working reliably.
When to call a technician
A technician tests the defrost heater, thermostat, and timer or control board on an Asko refrigerator when ice keeps returning to the rear wall despite a good door seal. This problem sits at Medium severity, so your Asko refrigerator is safe to leave for now; if Ice Rear Wall keeps returning on the refrigerator despite the steps above, get a technician to establish the cause before ordering parts. Work on your Asko refrigerator is independent of Asko, Gorenje, and Hisense; experienced technicians fit genuine OEM or trusted-supplier parts, and the labor on the refrigerator is covered by a 30-day warranty. Booking your Asko refrigerator goes smoothest when you have its model, serial, and Art. No. ready, since that pins the exact part for the refrigerator before the visit and shortens how long Ice Rear Wall takes to fix.
Related help and Asko resources
If Ice Rear Wall has not cleared on your Asko refrigerator, you can book Asko refrigerator repair, browse our refrigerator error-code guides, put our step-by-step repair guides to use, schedule service for service, or locate help on our locations page. Full product details for your Asko refrigerator live on the manufacturer’s site at global.asko.com.