Zanussi Dryer F1 Error Code: Causes and Fixes

Editorially reviewedUpdated 2026-02-20

Quick answer: Control relay fault

What you’ll notice

Dryer stops and will not restart; control board has flagged a relay fault.

Zanussi Dryer Code F1 low severity
Zanussi models: Zanussi condenser dryers have a primary lint filter in the door opening and a secondary condenser filter in the lower plinth. Clean the plinth filter monthly. Vented models have only the door filter.

Common causes

  • Power surge damaged a control relay
  • Loose connector on the relay board
  • Control board failure

Step-by-step fix

  1. Unplug for 5 minutes and retry.
  2. If recurring, reseat harness connectors on the control board.
  3. Inspect the board for burn marks.

Tools you may need

Screwdriver set

Prevention

  • Use a surge protector on the dryer outlet.

When to stop DIY

Replace the control board if the fault persists and harness connections are secure.

FAQ

What does F1 mean on Zanussi dryer?

F1 usually indicates: Control relay fault.

Can I keep using the appliance with F1?

Use caution. Severity is low. Replace the control board if the fault persists and harness connections are secure.

How long does this fix usually take?

Typical first-pass troubleshooting takes 5 minutes (reset); 30+ minutes (board inspection).