BWT Bewazon VULW 45 - Page 35

EN
35
Fault no. Monitored operating
condition
Delayed
actuation
Ozone device reaction Possible cause Remedy
(§67 / 83 / 99 / 115)
Ozone device fault
(circuit 1) / circuit 2 /
3 / 4: No measu-
rement signal on
analogue input, mo-
dule SM1231 (76A1),
channel AI0 / AI1 /
AI2 / AI3
Operating mode for
“Set ozone level” is
set to:
a) “Prop. controller”
or
b) “PID controller”
=> Monitored opera-
ting state:
All
- Ozone generation swit-
chedo󰀨withpost-purge
Analogue input signal
is lower than the mini-
mum current of 4 mA
Check the analogue
input signal
(§68 / 84 / 100 / 116)
Ozone device fault
(circuit 1) / circuit 2 /
3 / 4: Error in the
proportional controller
conguration
Operating mode for
“Set ozone level” is
set to:
“Prop. controller”
=> Monitored
operating state:
Air purging and ozone
generation
- Ozone generation swit-
chedo󰀨withpost-purge
Unsuitablecongurati-
on data:
a) “Min. signal:
4 mA” is set to the
same value as “Max
signal: 20 mA”
b) Value for “Propor-
tional factor” is set
to 0
Correctthecongura-
tion data
(§68 / 84 / 100 / 116)
Ozone device fault
(circuit 1) / circuit 2 /
3 / 4: Error in the
proportional controller
conguration
Operating mode for
“Set ozone level” is
set to:
“Prop. controller”
=> Monitored
operating state:
Air purging and ozone
generation
- Ozone generation swit-
chedo󰀨withpost-purge
Unsuitablecongurati-
on data:
a) “Min. signal:
4 mA” is set to the
same value as “Max
signal: 20 mA”
b) Value for “Propor-
tional factor” is set
to 0
Correctthecongura-
tion data
(§69 / 85 / 101 / 117)
Ozone device fault
(circuit 1) / circuit 2 /
3 / 4: Error in the PID
controllerconguration
Operating mode for
“Set ozone level” is
set to:
“PID controller”
=> Monitored
operating state:
Air purging and ozone
generation
- Ozone generation swit-
chedo󰀨withpost-purge
Unsuitablecongurati-
on data:
a) “Min. signal: 4 mA”
is set to the same
value as “Max
signal: 20 mA”
b) Value for “Time
constant Ti” is set
to 0
c) Value for “Propor-
tionalamplication
Vp” is set to 0
Correctthecongura-
tion data
(§70 / 86 / 102 / 118)
Ozone device fault
(circuit 1) / circuit 2 /
3 / 4: No analogue
outputcurrentow,
module SM1232
(76A2), channel AQ0 /
AQ1 / AQ2 / AQ3,
cable break
Devices with an
activated analogue
output:
=> all
- Ozone generation swit-
chedo󰀨withpost-purge
Signal cable not con-
nected to the correct
output channel or
cable is broken
Check connection
(§71 / 87 / 103 / 119)
reserved
- - - - -
(§72 / 88 / 104 / 120)
reserved
- - - - -
(§73 / 89 / 105 / 121)
Ozone device fault
(circuit 1) / circuit 2 /
3 / 4: Booster pump
failure
Air pre-purging and
ozone generation
5 sec. Ozone generation swit-
chedo󰀨without post-
purge
No booster pump ack-
nowledgement signal
a) BP acknowledge-
ment not connected
b) Pump motor protec-
tion failure