E09.012.246 Manual S-WG
86
The following graphs describe the blocking codes of the water heater. A blocking code is only a temporary block-
ing of the water heater, because of an extraordinary situation. The water heater will continue to operate after
stabilisation of this situation.
10.16.2
B
LOCKING CODES
The display is not blinking, but is lightened up during the blocking period. The water heater is blocking an action
because of an extraordinary situation.
This action will be continued after stabilisation of the 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
The 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
The flow temperature has exceeded the blocking temperature, as set in the parame-
ters
Display message
R e
t
u
r
n
t
e m p
h
i
g h
9 9 9
,
5
h
r
s
Reason
The return temperature has exceeded the blocking temperature, as set in the parame-
ters, but the return temperature has not exceeded the lock-out value.
Display message
T 1
-
T 2
h
i
g h
9 9 9
,
5
h
r
s
Reason
Temperature difference T1-T2 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 water heater starts its deairation function and after will return to normal operation.
This function can be activated by parameter P4AJ.
Display message
D e
l
t
a
D
i
r
e c
t
b
l
o c k
9 9 9
,
5
h
r
s
Reason
Temperature difference T1-T2 has exceeded the blocking value, as set in the parame-
ters P2CQ-P2CV.
Display message
H e a
t
e x c h a n g
a
t
r
i
s k
9 9 9
,
5
h r
s
Reason
Temperature difference T1-T2 has exceeded the blocking value more than three
times, as set in the parameters P2CQ-P2CV.
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-WG 100
Page 13: ...E09 012 246 Manual S WG 14 3 3 S WG tanks 300 Ltr 450 Ltr ...
Page 14: ...E09 012 246 Manual S WG 15 750 Ltr ...
Page 33: ...E09 012 246 Manual S WG 34 7 4 Electrical schematics ...
Page 34: ...E09 012 246 Manual S WG 35 ...
Page 122: ...E09 012 246 Manual S WG 123 notes ...
Page 123: ...E09 012 246 Manual S WG 124 notes ...
Page 124: ......