Service manual

with water
p
ressure between low s
y
stem water, P/C. burne
r
fill the s
y
stem low load releases after
0,2 and 0,5 bar, the burner is
p
ressure between or limited to with wate
r
fillin
g
above 0,5 bar
reduced to low load. 0,2 and 0,5 ba
r
P/d. low load,
The display shows alternately a or caused by
code P with the actual P/b. low water
o
p
eratin
g
status. continuous
p
ressure
The two right segments
show the actual water
p
ressure
Line and Neutral are exchan
g
ed 230 VAC su
pp
l
y
U incorrect check su
pp
l
y
reverse Line and Neutral
or no
g
ood Earth is
p
resent Line and Neutral continuous electrical
reversed connection
check Earth without
p
ro
p
er Earth, the
ionisation cannot work
Water pressure Reading water pressure
Fillin
g
Emtying
Air Venting
Trouble shooting manual EN E000129004