Technical data

Scanning service information
72
Overview of service levels
Function Button combination To exit Page
Temperatures, boiler coding cards
and scans
Press 9 and rw simultaneously
for approx. 2 seconds
Press “OK”
73
Relay test Press 9 and “OK” simultaneously
for approx. 2 seconds
Press “OK”
68
Participant check (in conjunction
with LON)
Press w and “OK” simultaneously
for approx. 2 seconds
Press w and “OK” simultaneously
for approx. 1 second
66
Operating status information Press 
Press 
77
Service scan  (if ”Service” flashing)
Press “OK”
74
Adjustment of display contrast
Press “OK” and “+” or
“
O
K
”
a
n
d
“
-
”
s
i
m
u
l
t
a
n
e
o
u
s
l
y
Display darkens
––
P
r
e
s
s
“
O
K
”
a
n
d
“
+
”
o
r
“OK” and “-” simultaneously
Display brightens
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5285 941 v.1.5