Set Appliance State:
Mains Power Off
External 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:
Turn appliance ECO mode off - Preheat should now be displayed.
(To turn off eco mode press tap symbol then press ok)
Does the boiler operate for preheat?
(To turn off eco mode press tap symbol then press ok)
Does the boiler operate for preheat?
