Set Appliance State:

WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Observation:

Confirm the boilers maximum heating power is set correctly for the CH system the boiler is attached to by entering installation settings, enter parameter "d.00" and confirm maximum heating power is set correctly as per table below;
(installation settings / parameter guidance CLICK HERE)
Note.
Image shown is for the 24CXI