Display 904 — DHW Tank Temperature Sensor Error

Was bedeutet 904 ?

This error indicates a malfunction with the temperature sensor for the Domestic Hot Water (DHW) tank.

• Faulty DHW tank temperature sensor
• Wiring problem to the sensor

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Inspect the wiring to the DHW tank temperature sensor for loose connections or damage.

2. 2

   Ensure the sensor is properly installed within the tank.

3. 3

   If the sensor is determined to be faulty, it requires replacement.

4. 4

   Contact a qualified technician for assistance.