- Turn the hob off at the circuit breaker or isolator for at least 60 seconds.
- Restore power and check whether the display clears before selecting any zone.
- If the code returns immediately, stop using the hob and continue with the checks below.
E822 indicates either an incorrect power-supply connection (new installation) or an electronics error if it appears after prior normal operation. On AEG hobs this usually points to an incorrect power-supply connection, communication fault, or electronics issue, and persistent faults often need service or installation checks.
- E822 remains on the display instead of normal zone information.
- One or more cooking zones may not heat or controls may behave abnormally.
- The hob may appear to recover after a reset and then show the code again.
- An incorrect power-supply connection, communication fault, or electronics issue.
- Temporary control-board glitch after a power event.
- Electrical supply, connection, or internal module problem.
- Check whether the fault started after a new installation, outage, or recent electrical work.
- Confirm the hob surface is dry, clean, and free from spills around the controls.
- After power is restored, test one cooking zone at a time and note when the code reappears.
- Record the model, code, and any recent changes to the appliance or supply before contacting support.
| Checkpoint | What to check | Good result | If it fails |
|---|---|---|---|
| Power reset | Hob isolated for 60 seconds and restarted | Code clears and stays away | Escalate if it returns |
| Control area | Surface is dry and controls respond normally | Normal operation resumes | Stop using if controls stay erratic |
| Electrical context | No recent supply or install issues | Hob starts normally | Ask an electrician or service engineer to inspect |
- Continuing to cook while the same code remains active.
- Ignoring installation or power-supply issues after recent fitting work.
- Attempting internal electrical repairs without training.
- Do not dismantle internal panels or touch live electrical parts.
- Do not keep resetting the hob repeatedly if the fault comes back immediately.
- Always isolate mains power before any inspection or cleaning around the hob.
- If you smell burning, see smoke, or the hob trips the supply, stop immediately and call for service.
Book service if E822 returns after a proper power reset, or immediately if the hob was recently installed and the code points to supply or connection problems.
- Keep the control area dry and free from residue after cooking or cleaning.
- Use a qualified installer or electrician for any wiring or supply changes.
- Do not ignore intermittent electrical faults that appear before full failure.
Can E822 clear on its own?
Sometimes a full power reset clears a temporary glitch, but a persistent return usually means the underlying issue is still there.
Should I keep using the hob if it works after a reset?
Only if the code stays away. If it returns, stop using the hob until the cause is identified.