H65 — Deice circulation error

What does H65 mean?

This error indicates a problem during the de-icing circulation process. It is logged if the issue persists for 10 seconds.

• Water flow switch sensor is defective or disconnected
• Water pump malfunction
• Buffer tank (if used) issue

Click steps to track your progress.

1. 1

   Check the water flow switch sensor.

2. 2

   Inspect the water pump for malfunction.

3. 3

   Verify the buffer tank is functioning correctly.