Ariston Oven Error F18

⚡ Quick Answer: The Ariston oven error F18 indicates a fault with the electronic timer or clock module, which can prevent the oven from starting if the time is not se... ✅ DIY Fixable

What Does Error F18 Mean?

The Ariston oven error F18 indicates a fault with the electronic timer or clock module, which can prevent the oven from starting if the time is not set correctly. Symptoms may include the F18 error displayed on the screen and the oven failing to heat. If you encounter this error, you may need to reset the oven or check the timer module for issues.

Common Symptoms:

  • Error F18 displayed on the oven screen
  • Oven may not start cooking if the clock/time is invalid

Possible Causes

  • Timer/Clock module fault (low)

How to Fix Error F18

DIY Fix Power Reset Oven

  1. Turn off and disconnect the oven from its power source (unplug or switch off circuit breaker).
  2. Wait at least 5 minutes to allow internal electronics to reset.
  3. Reconnect power and attempt to set the clock/time.
  4. Try starting a simple cooking function to see if the error persists.

Technician Only Inspect and Repair/Replace Timer/Clock Module

  1. Verify the error code F18 is correctly displayed and not a transient glitch.
  2. Access the oven’s control electronics per the service manual.
  3. Test the clock/timer module for proper operation with diagnostic tools.
  4. Replace the faulty timer/clock control board/module if confirmed defective.
  5. Reassemble and verify proper operation of oven functions and clock settings.

Parts needed: Electronic timer/clock module, Control board connectors (if needed)

🛑 When to Call a Pro:
  • If the error persists after a power reset and you are not experienced with oven electronics.
  • If the oven fails to start any function and displays F18 continuously.

Technical Specifications

wattage 2000W
component Heating Element
resistance 10-30 ohms
part_number ARISTON 123456789
voltage_rating 240V AC

Common Questions

What does F18 error mean on ariston oven?

F18 error signifies a malfunction in the electronic timer or clock module, preventing the oven from starting.

Can I fix ariston oven F18 error myself?

Yes, you can attempt a power reset by disconnecting the oven for 5 minutes and reconnecting it.

How much does it cost to fix F18 error?

Estimated repair costs for the F18 error range from €80 to €250, including parts and labor.

When should I call a technician for F18?

Call a technician if the F18 error persists after a power reset or if the oven fails to start any function.

Data last verified: 2026-04-14

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