nl en de
Wähle Ihre Sprache

Land wählen

Störungen / Fehler


Kessel Typ Mod con 500

Störungscode F03

Ursach:

Interrupted or shorted return (inlet) thermistor.

LÖsung:

- Check the electrical connection to the appropriate thermistor. Verify 5 VDC by checking in Molex connector. If not 5 VDC, check harness. If harness is OK, replace control. NOTE: Boiler will reset automatically. Verify thermistor values by referencing chart in this manual. 
- If connection is okay, replace thermistor.