S-CB
+
Boiler Range Manual
77
Display message
W a
t
e
r
p
r
e s s u
r
e
f
a u
l
t
9 9 9
,
5
h
r
s
Reason
Water pressure is too low or too high.
Display message
O u
t
d o o
r
s e n s o
r
f
a
i
l
9 9 9
,
5
h
r
s
Reason
Outdoor temperature has exceeded the blocking temperature which is set in the pa-
rameters.
Display message
d T
B
l
o c k
9 9 9
,
5
h
r
s
Reason
Temperature difference between flow and return exceeds the blocking value but not
the lock out value.
Display message
C a s c a d e
B
l
o c k
9 9 9
,
5
h
r
s
Reason
One of the cascaded boilers causes an error, because of a lock out.
Display message
A P S
f
a u
l
t
9 9 9
,
5
h
r
s
Reason
Activation of the air pressure switch.
Display message
N R V
o
r
F a n
f
a u
l
t
9 9 9
,
5
h
r
s
Reason
Non return valve contact signal activated, > 15 seconds will cause a lock-out.
Display message
L
i
n e
f
a u
l
t
9 9 9
,
5
h
r
s
Reason
Wrong electrical power supply is connected (not 50 or 60 Hz, 220-240 Volt).
Display message
G e n
B
l
o c k
9 9 9
,
5
h
r
s
Reason
The general blocking circuit is activated during operation = contact 7-8
10.17.3 M
ESSAGES
The following graphs describe the messages at the boiler display. Depending on the selected and activated options
for the boiler, it is possible that some messages will show up at the display of the boiler. For example a mainte-
nance message after a certain programmed date has been reached. The boiler will operate independently of these
messages.
MAINTENANCE ATTENTION FUNCTION
The display shows alternating the base screen and this message, while the backlight is blinking.
The boiler is operating, but will count the exceeding hours.
A parameter must be changed, after service, to remove this message.
Display message
N e e d s
M a i n t e n a n
0 . 0
I g n i t
i o n
c y c l e s
h r s
Reason
Maintenance option of total amount of ignition cycles has been reached.
Display message
N e e d s
M a i n t e n a n
0 . 0
D a t e
h r s
Reason
Maintenance option of the date has been reached.
Display message
N e e d s
M a i n t e n a n
0 . 0
B u r n i n g
h o u r s
h r s
Reason
Maintenance option of total amount of burning hours has been reached.
Display message
N e e d s
M a i n t e n a n
0 . 0
A l
l
h r s
Reason
One of the abovementioned maintenance options has been reached.
Summary of Contents for S-CB+ Series
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Page 39: ...S CB Boiler Range Manual 39 9 4Electrical schematics ...
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