H91 - Tank heater OLP abnormality

Was bedeutet H91 ?

The overload protector (OLP) for the tank heater has tripped or is disconnected. Protection control is activated after 60 seconds of detection.

• Tank heater OLP has tripped (activated).
• Tank heater OLP is disconnected.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Check if the tank heater OLP has been activated.

2. 2

   Ensure the tank heater OLP is properly connected.

3. 3

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

4. 4

   If the OLP trips repeatedly, seek professional assistance.