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Siemens washing machine

Siemens F22 error code: heating fault

The machine cannot heat the water or the temperature sensor is faulty.

Engineer jobTypical repair: £80–£170.

Likely causes

  • Failed heating element
  • Faulty NTC temperature sensor

How to fix F22

  1. Unplug the washing machine (or switch off at the wall) for 5–10 minutes to clear any temporary fault, then restart it.
  2. Run a cold wash to see if the machine works.
  3. An engineer should test the element and sensor.
  4. Run a short test cycle. If F22 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.

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Frequently asked questions

What does Siemens error code F22 mean?

The machine cannot heat the water or the temperature sensor is faulty. On a Siemens washing machine, F22 is shown as "heating fault".

How do I clear the F22 error on a Siemens washing machine?

Switch the appliance off at the wall for 5–10 minutes, then restart. If F22 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 Siemens F22?

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

Does F22 mean the same on every Siemens model?

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