Set Appliance State:
Mains Power Off
No Demand
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Is ECO showing in display?
If not then the preheat is activated and the boiler will fire without demand for approx. 20 seconds when necessary to keep a small store of heated water.
When firing in preheat the tap symbol will be in the display.
If not then the preheat is activated and the boiler will fire without demand for approx. 20 seconds when necessary to keep a small store of heated water.
When firing in preheat the tap symbol will be in the display.
