Set Appliance State:
CH Demand
Boiler CH thermostat set to MAX
Ensure appliance is set to WINTER mode - NO sun symbol in display
(Press reset button briefly to toggle sun symbol on and off)
Ensure appliance is set to WINTER mode - NO sun symbol in display
(Press reset button briefly to toggle sun symbol on and off)
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
The boiler is preset with a 2 minute delay before it will recognise a heating demand after a DHW demand.
(d1 or d2 may be displayed during this time these are not fault codes)
Central heating demand is indicated by 3 small lines flashing above the radiator symbol.
Does the boiler recognise the central heating demand?
(d1 or d2 may be displayed during this time these are not fault codes)
Central heating demand is indicated by 3 small lines flashing above the radiator symbol.
Does the boiler recognise the central heating demand?