Service manual

C. = heat demand heatin
g
heat demand C. boiler is in burner modulates, Pum
p
on, Fan on, Burner on
d. = heat demand for hot water combi-boiler or heatin
g
mode de
p
endin
g
the amount
b. = heat demand for hot water external d. of heat re
q
uired.
c
y
linder or
b.
The dot indicates the burner is on. continuous
at the end of heat demand, the end of heat demand c
p
um
p
afterrun
p
ost-rinse time is
p
um
p
sto
p
s automaticall
y
contacts of the
g
reen connector,
(
Heatin
g)
continuous heatin
g
ad
j
ustable in menu after
p
ost-rinse time.
p
orts 1 and 2, are o
p
en.
(
Letter O
)
software or hard-ware
p
roblem, internal interlock fault E internal software interru
p
t the
the boiler runs into lock-out flashin
g
lock-out
p
roblem su
pp
l
y
p
ower
for safet
y
reasons
hard-ware re
p
lace
p
rinted
com
p
onent broken circuit board
E no slave
continuous reco
g
nised
T
WIN
Trouble shooting manual EN E000129004