System water pressure adjustment
The filling pressure with the system cold must be approx. 1.0 bar. If the system pressure falls to values below minimum,
the boiler card will activate fault 37 and the number of the module (fig. 30).
Once the system pressure is restored, the boiler will activate the 300-second air venting cycle indicated on the
A
display by FH.
204
Nr:37
Src:1
fig. 30 - Module 1 insufficient system pressure fault
cod. 3541Q760 - Rev. 00 - 02/2019
FORCE W
EN