If your Asko refrigerator shows Error Code ER8, it usually points to a control board error — a problem with the appliance’s electronic control module that coordinates temperature settings, defrost cycles, fans, and other functions. The control board acts like the fridge’s brain; when it malfunctions, the refrigerator may display errors, stop cooling properly, or behave unpredictably.
Quick symptoms you might notice
- The ER8 code appears on the display.
- Fridge or freezer temperatures are higher or fluctuate.
- Lights, displays, or buttons respond oddly or not at all.
- The unit cycles on and off more often than normal.
Why a control board fails
Electronic control boards can fail for several common reasons. Some are sudden events; others happen over time.
- Power surges or unstable voltage can damage delicate components.
- Moisture, condensation, or a spilled liquid can short electronics.
- Heat stress over many years weakens solder joints and capacitors.
- A manufacturing defect or component aging (capacitors, relays).
- Damaged, pinched, or corroded wiring between the board and sensors/loads.
First things to try at home — safe, basic troubleshooting
Before opening the refrigerator or touching parts, try these simple actions. They often solve temporary communication or software glitches.
- Unplug the refrigerator or switch it off at the breaker for about 5–10 minutes, then plug it back in. This power reset can clear temporary faults.
- Check the outlet and circuit: plug a lamp or small appliance into the same outlet to confirm it’s supplying power.
- Inspect the exterior for obvious damage, and look behind the unit for signs of burnt wiring or a scorched smell.
- Look for recent events: was there a power surge, lightning, or a visible leak? Note anything unusual before you proceed.
When to inspect wiring and connectors (text)
If the power reset didn’t help and you’re comfortable with basic safety precautions, the next step is a careful visual inspection. Unplug the fridge first. Remove the rear access panel or the kick plate (follow the manual) to reach the control area. Look for loose connectors, melted insulation, corrosion on pins, or water stains.
If you find a loose connector, reseat it firmly. If you see damaged wires or burned components, stop and consider professional repair — wiring or component replacement can be hazardous.
DIY checks you can do (short list)
- Verify outlet voltage with a multimeter if you have one.
- Check the fridge’s internal temperature sensors (visually) for damage.
- Smell for burning — a sign you should not continue DIY repairs.
- Tighten clearly loose connectors (only if the unit is unplugged).
Safety first — clear guidance
Working on refrigerator electronics can be dangerous. The control board area may have stored energy, and line-voltage components can give a severe shock. If you are not experienced with appliance repair:
- Don’t open sealed compressor or refrigerant components.
- Always unplug the refrigerator before touching internal parts.
- Use insulated tools and avoid jewelry or loose clothing.
- If you’re unsure at any point, stop and call a qualified appliance technician.
Possible professional fixes
When ER8 persists after basic troubleshooting, a technician will usually take one or more of these routes: run diagnostic tests to confirm the board is failing, check all sensor readings and wiring harnesses, and test power supply voltages. Often the result is either a control board repair or replacement, replacement of failed relays or capacitors, or repair of damaged harnesses. In some cases a software update or resetting control parameters can resolve the issue — but those steps require the right tools and service documentation.
Replacing the control board — expectations and tips
If the control board is confirmed faulty, replacement is common. Make sure the replacement board is an exact match for your Asko model. Using the wrong board can cause compatibility problems. Ask the technician to:
- Confirm the part number against your fridge’s model/serial number.
- Install and test all functions (temperature control, defrost, fans) before they leave.
- Replace or repair any wiring or connectors that look compromised — a new board can fail quickly if old wiring shorts it out.
Preventive measures that really help
Prevention keeps your fridge out of the repair shop. Keep the area around your refrigerator dry and well-ventilated. Protect the appliance from power surges by using a whole-appliance surge protector. Clean the condenser coil and vent areas every 6–12 months so the compressor and the board don’t work harder than necessary. Avoid storing liquids on top of or next to the control panel area, and check the door seals regularly — moisture entry can lead to corrosion on connectors.
Error Code ER8 signals that your Asko refrigerator’s control board needs attention, but it doesn’t always mean an expensive repair. Start with safe, low-effort checks: power reset, outlet test, and a visual look for obvious damage. If the code remains or you find burnt parts, stop and hire a professional. Preventive care — surge protection, keeping the fridge dry, and periodic cleaning — reduces the chance of seeing ER8 again.