Fridge
E6
The E6 error code on an Electrolux fridge indicates a fault with the defrost system — specifically a problem detected by the defrost sensor or the defrost heater circuit. Left unresolved, it will lead to ice build-up on the evaporator coils and a fridge that stops cooling properly.
What does this error mean?
The E6 code means your fridge’s control board has detected an abnormal reading from the defrost temperature sensor (also called the defrost termination sensor), or it cannot confirm that a defrost cycle completed successfully. In plain terms, the fridge cannot melt away the frost that naturally builds up on the evaporator coils at the back of the unit. Over time, this ice blocks airflow and causes the fridge and freezer compartments to warm up.
Est. repair cost
£80–£150 professional repair; £10–£40 DIY parts (heater, thermistor, or thermal limiter)
🔍 Likely causes
🛠️ Step-by-step fix
Reset the fridge: Unplug the unit from the mains, wait 5 minutes, then plug it back in. If the E6 code clears and the fridge cools normally for 24 hours, the fault may have been a temporary sensor glitch.
Check and reseat the door seal: Run your hand around the full perimeter of both the fridge and freezer doors feeling for cold air escaping. A damaged or loose seal lets in warm, humid air that freezes on the coils. Replacement seals cost £15–£35 from Electrolux spares suppliers and clip or screw into place without tools.
Manually defrost the appliance: If the error returns, empty the fridge, switch it off, and leave both doors open for 24–48 hours with towels on the floor to soak up water. This melts any heavy ice build-up on the evaporator. Plug it back in and check whether the error reappears.
Inspect the evaporator panel (freezer back wall): Once defrosted, remove any food and the internal freezer back panel (usually two or three screws). Look for a visibly broken or corroded heater element, or a blown thermal limiter (a small cylindrical fuse clipped to the element). These parts are available for £10–£40 and can be replaced with a screwdriver and a basic multimeter to confirm continuity — only attempt this if you are comfortable working with appliance components with the unit fully unplugged.
Test the defrost thermistor: With the unit unplugged and the back panel removed, unplug the thermistor connector and test resistance with a multimeter. A healthy NTC thermistor will show around 5–10 kΩ at room temperature — consult your model’s service guide for the exact value. A reading of zero or infinity confirms a failed sensor; replacement parts typically cost £8–£25.
If none of the above resolves the E6 code, stop DIY work and call a qualified appliance engineer — a control board fault or complex wiring issue requires professional diagnosis.
📞 When to call a professional
Call an appliance engineer if the E6 error persists after a manual defrost and component checks, or if you are not confident testing components with a multimeter. Tell the engineer you have an Electrolux fridge displaying error code E6, that it relates to the defrost circuit, and whether the appliance is cooling at all — this gives them a head start on diagnosis. A reputable engineer will carry common defrost heaters and thermistors as stock parts.
⚖️ Repair or replace?
A professional repair for an E6 defrost fault typically costs £80–£150 in the UK, including parts and labour. If your Electrolux fridge is under 8 years old, repair is almost always the better financial choice. For fridges aged 10 years or more, weigh the repair cost against a new equivalent appliance (£300–£700 for a comparable Electrolux model) — if the quote exceeds 50% of replacement cost, replacing is the sensible option.