Set Appliance State:
Mains Power Off
Ensure there is no demand for either CH or DHW
Selector switch in DHW & CH position
Selector switch in DHW & CH position
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
When power is switched on the boiler should run a self-check as follows:
1. The fan starts to run and the display will illuminate showing 24/30/35kW Combi for 10 seconds.
2. Display shows "Pump Overrun" for 20 seconds.
During this the pump should run. If the pump does not run choose that option below.
3. Display Shows "Fan Post-Purge" for 4 minutes.
During this the fan should run. If the fan does not run choose that option below.
If the display changes to a fault code or shows a demand select appropriate option below.
1. The fan starts to run and the display will illuminate showing 24/30/35kW Combi for 10 seconds.
2. Display shows "Pump Overrun" for 20 seconds.
During this the pump should run. If the pump does not run choose that option below.
3. Display Shows "Fan Post-Purge" for 4 minutes.
During this the fan should run. If the fan does not run choose that option below.
If the display changes to a fault code or shows a demand select appropriate option below.
