Haier 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.

Haier Dryer Code F1 medium severity
Haier models: The lint filter is in the door opening. Haier dryers are sold under the GE label in North America on some model lines.

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 Haier dryer?

F1 usually indicates: Control relay fault.

Can I keep using the appliance with F1?

Use caution. Severity is medium. 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).