Vaillant EcoTEC Plus Gas Boiler (Program Mode Codes)
| Display | Meaning |
|---|---|
| P.00 | Bleeding test program. The heating circuit and hot water circuit (combination boiler only) is bled via the automatic air vent (the cap on the automatic air vent must be loosened). |
| P.01 | Test program where the appliance is operated in full load after successful ignition |
| P.02 | Test program where the appliance is operated with minimum gas volume (ignition gas volume) after successful ignition |
| Display | Meaning |
|---|---|
| P.03 | not available |
| P.04 | not available |
| P.05 | Test program for the safety temperature limit check; appliance heats up by by-passing a regulating shutdown through the flow regulator until the shutoff temperature of 97 °C is achieved. |
| P.06 | Filling test program. The diverter valve moves to the centre position |