Neff dishwasher

Neff E09 error code: heating fault

The dishwasher cannot heat the water.

Engineer jobTypical repair: £80–£170.

Likely causes

Failed heating element
Faulty thermistor

How to fix E09

Unplug the dishwasher (or switch off at the wall) for 5–10 minutes to clear any temporary fault, then restart it.
Run a short cycle to check; usually needs an engineer.
Run a short test cycle. If E09 returns, the fault is still there and an engineer should look at it.

Always switch off and unplug the appliance before inspecting it. Never work on gas appliances or fixed electrical wiring yourself — call a Gas Safe registered engineer or a qualified electrician.

Full fault guide

Dishwasher not heating waterDetailed causes, DIY steps and costs

Other Neff dishwasher error codes

Neff dishwasher repair near you

Frequently asked questions

What does Neff error code E09 mean?

The dishwasher cannot heat the water. On a Neff dishwasher, E09 is shown as "heating fault".

How do I clear the E09 error on a Neff dishwasher?

Switch the appliance off at the wall for 5–10 minutes, then restart. If E09 comes back, work through the checks on this page — the fault is real and needs fixing, not just resetting.

How much does it cost to fix Neff E09?

£80–£170. is typical, depending on the part. Simple blockages cost nothing to clear yourself.

Does E09 mean the same on every Neff model?

Not always. Codes are broadly consistent within a brand, but model ranges differ. Check your manual if the symptoms below don’t match.