Service manual

b/
r
HWS
continuous ri
g
ht unit
T
WIN
Chimney sweeper function
Start the chimney sweeper fuction by pressing the + and - buttons of the display simultaneously for at least 5 to 10 seconds.
The chimney sweeper function overruns the central heating regulation (not hot water regulation).
The status shows a flashin
g
C and the two ri
g
ht se
g
ments show the ionisation current in microam
p
eres DC.
tem
p
oraril
y
dis
p
la
y
C chimne
y
p
ress the “+” or “-
”
chimne
y
swee
p
er function
for service
p
ur
p
oses flashin
g
swee
p
er button for hi
g
h or low removes automaticall
y
function load after 10 minutes
or
b
y
p
ressin
g
the "-" button
= high load
Enter the chimney sweeper function
by pressing both the “+” and “-”
buttons simultaneously for
5 - 10 seconds
= low load
The two right segments
show the actual ionisation current
in micro Am
p
s DC
Trouble shooting manual EN E000129004