Set Appliance State:

WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Observation:

When power is switched on the display should operate and
the boiler will run a self-check which should follow the
sequence in the image above, with the exact values changing
dependant on boiler type, gas configuration and output, if the
display does not progress from the initial self check CLICK HERE.
If a fault code is displayed select that option as
you will not be able to adjust the settings.
Otherwise set boiler as follows:
  • Hot water temperature to maximum (65°C) - rotate the left hand control knob to adjust.
  • Central heating temperature to maximum (80°C) - rotate the right hand control knob to adjust.
  • Hot water & heating turned on - if there is a cross behind the tap or radiator symbols press the left hand button until the cross disappears.
  • Preheat OFF - Adjusted via installation settings CLICK HERE FOR INFORMATION.