Set Appliance State:
Mains Power Off
External and internal controls (if fitted) calling for preheat
DHW temperature control to MAX
Ensure there is a demand for preheat,
this can be achieved by running the HW tap
with the gas off and the appliance turned on
DHW temperature control to MAX
Ensure there is a demand for preheat,
this can be achieved by running the HW tap
with the gas off and the appliance turned on
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Reset appliance as necessary.
Turn appliance ECO mode off - Preheat should now be displayed.
(To turn off eco mode hold down ECO button for 5 seconds)
Allow the boiler to complete its self check.
Does the display change to show Preheat and does the
appliance begin it's ignition sequence and fire for preheat?
Turn appliance ECO mode off - Preheat should now be displayed.
(To turn off eco mode hold down ECO button for 5 seconds)
Allow the boiler to complete its self check.
Does the display change to show Preheat and does the
appliance begin it's ignition sequence and fire for preheat?
