8H-01 — Overheating mixed water circuit

What does 8H-01 mean?

• Blockage in the mixed water circuit
• Faulty circulation pump
• Insufficient water flow

Click steps to track your progress.

1. 1

   Ensure water flow through the mixed water circuit is not restricted.

2. 2

   Check the operation of the circulation pump.

3. 3

   Verify temperature settings are appropriate.

4. 4

   Contact a service technician for internal system checks.