Zanussi Oven Error C4

⚡ Quick Answer: The Zanussi oven C4 error indicates a malfunction preventing the pyrolytic self-cleaning function from starting. This typically occurs when the SteamP... ✅ DIY Fixable

What Does Error C4 Mean?

The Zanussi oven C4 error indicates a malfunction preventing the pyrolytic self-cleaning function from starting. This typically occurs when the SteamPlus/Plus Dampf function is active, conflicting with the pyrolysis setting. Users may notice the C4 display when attempting to initiate the self-cleaning cycle, despite correct settings.

Common Symptoms:

  • Display shows C4 when attempting to start pyrolysis self‑cleaning
  • Pyrolysis does not initiate despite correct settings

Possible Causes

  • SteamPlus/Plus Dampf option active during pyrolysis selection (high)

How to Fix Error C4

DIY Fix Disable SteamPlus/Plus Dampf before Pyrolysis

  1. Ensure the oven is powered on and set to the desired pyrolysis self‑clean function
  2. If the SteamPlus/Plus Dampf indicator is lit, press the SteamPlus/Plus Dampf button to deactivate it
  3. Attempt to start the pyrolysis cycle again

Technician Only Verify Function Selector and Controls

  1. Inspect the oven’s control panel to confirm proper operation of the SteamPlus/Plus Dampf button and function selector switch
  2. Test electrical continuity of the SteamPlus button to ensure it is not stuck or sending erroneous signals
  3. Verify no control board faults relating to conflicting inputs between steam functions and pyrolysis selection

Parts needed: Function selector switch, SteamPlus/Plus Dampf button assembly, Control board (if needed)

🛑 When to Call a Pro:
  • If the oven still displays C4 after deactivating SteamPlus/Plus Dampf and ensuring no accessories are present while selecting pyrolysis
  • If the SteamPlus/Plus Dampf button appears physically stuck or unresponsive

Technical Specifications

wattage 2000W
component Heating Element
resistance 10-30 ohms
part_number Zanussi 1240000001
voltage_rating 240V AC

Common Questions

What does C4 error mean on zanussi oven?

C4 error indicates a malfunction preventing pyrolytic self-cleaning due to the active SteamPlus function.

Can I fix zanussi oven C4 error myself?

Yes, disable the SteamPlus function before starting the pyrolysis cycle.

How much does it cost to fix C4 error?

Repair costs range from $50 to $200 depending on parts replaced.

When should I call a technician for C4?

Call if C4 persists after deactivating SteamPlus or if the button is stuck.

Sources & References

Data last verified: 2026-03-18

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