S-CB
+
Boiler Range Manual
76
10.17.2 B
LOCKING CODES
The following graphs describe the blocking codes of the boiler. A blocking code is only a temporary blocking of the
boiler, because of an extraordinary situation. The boiler will continue to operate after stabilisation of this situation.
The display is not blinking, but is lightened up during the blocking period.
The boiler is blocking an action because of an extraordinary situation. This action will be continued after elimination
of the extraordinary situation.
Display message
A n
t
i
c y c
l
e
t
i m e
9 9 9
,
5
h
r
s
Reason
The controller received a new heat demand too quick after the last ended demand.
Display message
F
l
u e
t
e m p
h
i
g h
9 9 9
,
5
h
r
s
Reason
Flue gas temperature has exceeded the limit, as set in the parameters.
Display message
F
l
o w
t
e m p
h
i
g h
9 9 9
,
5
h r
s
Reason
Flow temperature has exceeded the blocking temperature, as set in the parameters
Display message
F
l
o w
t
e m p
h
i
g h
9 9 9
,
5
h r
s
Reason
Flow temperature has exceeded the blocking temperature, which is set in the
Display message
R e
t
u
r
n
t
e m p
h
i
g h
9 9 9
,
5
h
r
s
Reason
Return temperature has exceeded the blocking temperature, which is set in the pa-
rameters, but the return temperature has not exceeded the lock-out value.
Display message
T 2
-
T 1
h
i
g h
9 9 9
,
5
h
r
s
Reason
Temperature difference T2-T1 has exceeded the blocking value as set in the parame-
ters.
Display message
D e a
i
r
a
t
i
o n
9 9 9
,
5
h
r
s
Reason
The boiler starts its de-aeration function and after will return to normal operation. This
function can be activated by parameter P4AJ.
Display message
G a s
p
r
e s s u
r
e
l
o w
9 9 9
,
5
h
r
s
Reason
Gas supply pressure is (too) low.
Summary of Contents for S-CB+ Series
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