Storingen

Ketel type WHN055

Storingscode Flue temp diff

Oorzaak:

The control module reads an excessive temperature difference between the two sensors.

Oplossing:

- Check wiring to sensor. Make sure wiring is connected and not damaged. Reconnect / repair wiring if necessary.
- Measure the resistance of the sensor. Replace sensor if necessary.
- Restore control parameter defaults from optional PC software.
- Replace control module.