H70 - Back-up heater OLP abnormality

What does H70 mean?

The overload protector (OLP) for the back-up heater has activated or is disconnected. Protection control activates after 60 seconds of detection.

• Back-up heater OLP has tripped (activated).
• Back-up heater OLP is disconnected.

Click steps to track your progress.

1. 1

   Check if the back-up heater OLP has been activated.

2. 2

   Ensure the back-up heater OLP is properly connected.

3. 3

   Reset the OLP if it has tripped, following safety guidelines.

4. 4

   If the OLP trips repeatedly, consult a technician to check for underlying issues.