Zanussi Oven Error F5

⚡ Quick Answer: The Zanussi Oven F5 error code indicates a malfunction related to the temperature sensor, often due to stuck relay contacts or a control board fault. ... ✅ DIY Fixable

What Does Error F5 Mean?

The Zanussi Oven F5 error code indicates a malfunction related to the temperature sensor, often due to stuck relay contacts or a control board fault. This results in erratic temperature readings and may prevent the oven from heating or responding properly.

Common Symptoms:

  • Oven displays F5 on control panel and ceases normal operation
  • Oven may fail to heat or respond to commands

Possible Causes

  • Stuck relay contacts on the oven control board (medium)
  • Control board fault affecting relay operation (medium)

How to Fix Error F5

DIY Fix Basic reset attempt

  1. Turn oven off at the mains (wall switch or breaker)
  2. Wait ~30 seconds
  3. Turn oven back on and check if F5 persists

Technician Only Inspect/replace control board and relays

  1. Disconnect oven from power and access the control board
  2. Inspect relay contacts on the board for signs of sticking, burn marks or failure
  3. Test relays and control board functions with appropriate tools
  4. Replace the control board (and relays if separately available) if faults confirmed

Parts needed: Oven control board, Relays (if separate)

🛑 When to Call a Pro:
  • If F5 persists after power reset
  • If you are not experienced with electrical appliance repair
  • If internal inspection reveals charred or damaged components

Technical Specifications

wattage N/A
component Temperature Sensor
resistance 1000 ohms at room temperature
part_number Zanussi 1240000001
voltage_rating 230V AC

Common Questions

What does F5 error mean on Zanussi Oven?

F5 indicates a malfunction in the temperature sensor or control board, causing erratic readings and heating issues.

Can I fix Zanussi Oven F5 error myself?

Yes, try resetting the oven by turning it off at the mains for 30 seconds and then back on.

How much does it cost to fix F5 error?

Repair costs range from $150 to $450+, depending on the control board and labor.

When should I call a technician for F5?

Call a technician if the F5 error persists after a reset or if you find damaged components.

Sources & References

Data last verified: 2026-07-07

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