Observation:
The Status Codes can be used to ascertain which mode the boiler is running in.
Access the diagnostic display by holding the mode button until the display changes.
Use the +/- buttons to scroll to 96, then press the mode button to confirm.
The screen will show d 0 at the bottom and the value it is currently set to.
This indicates that you have level 1 access, the number being the diagnostic number.
Use +/- to scroll to d99 to display the current boiler status.
S.01 = No Heating Required
S.02 = Fan Pre-run
S.03 = Pump Pre-run
S.04 = Burner on
S.05 = Fan/Pump Overrun
S.06 = Fan Overrun
S.07 = Pump Overrun
S.08 = Anti-cycle
Access the diagnostic display by holding the mode button until the display changes.
Use the +/- buttons to scroll to 96, then press the mode button to confirm.
The screen will show d 0 at the bottom and the value it is currently set to.
This indicates that you have level 1 access, the number being the diagnostic number.
Use +/- to scroll to d99 to display the current boiler status.
S.01 = No Heating Required
S.02 = Fan Pre-run
S.03 = Pump Pre-run
S.04 = Burner on
S.05 = Fan/Pump Overrun
S.06 = Fan Overrun
S.07 = Pump Overrun
S.08 = Anti-cycle
