H91 - Tank heater OLP abnormality

Was bedeutet H91 ?

The Overload Protector (OLP) for the tank heater has activated or is disconnected. The system will stop operation after 60 seconds.

• Tank heater OLP has disconnected
• Tank heater OLP has activated

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Check the tank heater OLP for any signs of activation or disconnection.

2. 2

   Reset the OLP if it has tripped.

3. 3

   Ensure the tank heater is functioning correctly.

4. 4

   Contact a qualified installer or service technician if the problem persists.