Set Appliance State:
CH Demand
CH temperature set to MAX
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow the burner to ignite and boiler to run in central heating mode, this can take a further 2 minutes from when the demand was recognised on the previous test.
(d1 or d2 may be displayed during this time these are not fault codes)
Is the heating operating satisfactorily?
Does the system pressure remain stable?
(d1 or d2 may be displayed during this time these are not fault codes)
Is the heating operating satisfactorily?
Does the system pressure remain stable?
