S-CB
+
Boiler Range Manual
74
10.17 Fault codes display
The following graphs describe the lock out codes of the boiler. A lock out code can only be removed by a manual
resetting of the boiler.
NOTICE: Before resetting the boiler always check the boiler, central heating system and all components corres-
ponding to the related lock out description. Never just reset the boiler, before analysing the possible cause of fail-
ure.
10.17.1 L
OCK
-
OUT CODES
Having a lockout means that the boiler needs a manual reset to start operating again.
When the boiler is in lockout the backlight of the display is blinking on and off.
Explanation >
9 9 9 , 5 : h r s
= time elapsed after fault & message.
Explanation >
P u m p 1
o n
= status of the pump during fault.
Display message
F0
F l o w
s e n s o r
e r r o r
p u m p
o n
9 9 9 , 5
h r s
Reason
Flow sensor not detected by the boiler caused by faulty connection/sensor.
Display message
F1
F l o w
h i g h
T e m p
p u m p
o n
9 9 9 , 5
h r s
Reason
Flow temperature exceeds the limit which has been set in the parameters.
Display message
F1
R e t u r n
h i g h
T e m p
p u m p
o n
9 9 9 , 5
h r s
Reason
The maximum return temperature as set in the parameters is exceeded.
Display message
F2
L a c k
o f
w a t e
r
p u m p
o n
9 9 9 , 5
h r s
Reason
The general required gradient water lack has failed.
Display message
F3
R e t u r n
s e n s o r
e r r o r
p u m p
o n
9 9 9 , 5
h r s
Reason
Return sensor not detected by the boiler caused by faulty connection/sensor.
Display message
F6
F l u e
s e n s o r
e r r o r
p u m p
o n
9 9 9 , 5
h r s
Reason
Flue gas sensor not detected by the boiler caused by faulty connection/sensor.
Display message
F7
F l u e
t e m p
t o o
h i g h
p u m p
o n
9 9 9 , 5
h r s
Reason
Flue gas temperature exceeds the limit which has been set in the parameters.
Display message
F8
F a i
l e d
b u r n e r
s t a r
t
p u m p
o n
9 9 9 , 5
h r s
Reason
Boiler is not starting after the programmed starting attempts.
Summary of Contents for S-CB+ Series
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