Beko Oven F5 Error Code: Causes and Fixes

Editorially reviewedUpdated 2026-02-20

Quick answer: Control board communication issue

What you’ll notice

Oven stops and shows F5; a communication fault between control boards has been detected.

Beko Oven Code F5 high severity
Beko models: Beko ovens have a standard temperature probe at the rear cavity wall. SteamRoast models have a front water tank — empty before cleaning. Beko AeroPerfect fan-assisted models circulate air with a rear-wall fan; fan noise during cooking is normal.

Common causes

  • Main control board to display/relay board communication interrupted
  • Power surge corrupted communication state
  • Ribbon cable or connector loose

Step-by-step fix

  1. Power cycle (breaker off for 5 minutes).
  2. If recurring, open the control panel and reseat the ribbon cable between boards.
  3. Inspect for burn marks.

Tools you may need

Screwdriver set

Prevention

  • Use a surge protector on the oven circuit.

When to stop DIY

Call a technician for control board replacement if the fault persists.

FAQ

What does F5 mean on Beko oven?

F5 usually indicates: Control board communication issue.

Can I keep using the appliance with F5?

Use caution. Severity is high. Call a technician for control board replacement if the fault persists.

How long does this fix usually take?

Typical first-pass troubleshooting takes 5 minutes (reset); 30 minutes (cable check).