ProMinent OZLa 06 O, Operating Instructions Manual

Page: 53 / 72

Error* Error message Switch-off due
to...
Cause Remedy
10023 External setpoint
too low
--- Setpoint outside the
permissible limit
values
Check and set the setpoint
10024 External setpoint
too high
--- Setpoint outside the
permissible limit
values
Check and set the setpoint
10026
10060 Check the flow
sensor.
Sensor meas‐
uring signal
Sensors are not
connected or are
emitting an implau‐
sible analogue
signal, e.g. > 21 mA
or < 3.6 mA.
Check the sensors' connection cable,
check the analogue signals, if neces‐
sary replace the connection cable or
the sensors.
10029 Fieldbus connec‐
tion timeout
No communica‐
tion with the
fieldbus
Communication
with the fieldbus
has been inter‐
rupted
Check the fieldbus communication
and re-establish it
10031 No communica‐
tion: serial
Modbus
--- Communication
with the Modbus
has been inter‐
rupted
Check the Modbus communication
and re-establish it
10032
-
10047
No communica‐
tion with the
C10X
No communica‐
tion with the
power unit -
C10X module
Communication
with the power unit -
C10X module has
been interrupted
Check the communication and re-
establish it
10048 No communica‐
tion: Mass flow
meter
No communica‐
tion with the
mass flow meter
Communication
with the mass flow
meter has been
interrupted
Check the communication and re-
establish it
10049
10102 Mass flow meter
control
- The gas flow devi‐
ates too greatly
from the setpoint
Check the ozone gas line and fittings
for flow.
Check the control valve and its con‐
trol.
10051 Ozone pressure
too low
Pressure sensor,
ozone generator
operating pres‐
sure
The ozone gener‐
ator operating pres‐
sure is too low.
Raise the pressure in the process
water or install a back pressure valve
at the ozone outlet.
10052 Ozone pressure
too high
Pressure sensor,
ozone generator
operating pres‐
sure
The ozone gener‐
ator operating pres‐
sure is too high.
Check the gas system for blockages.
Set the pressure of the process water
so that the maximum pressure at the
outlet of the ozone generator does not
exceed 2.0 bar.
10056 Water flow too
low
Raw water flow
meter
The process water
flow is below the
minimum value
If a flow detector is installed, the
system automatically restarts as soon
as the process water flow increases
above the set lower limit value. The
alarm relay is not activated.
10057 Cooling water
temperature too
low
Cooling water
outlet tempera‐
ture sensor
Cooling water tem‐
perature below 5 °C
Raise the water temperature at the
cooling water inlet.
10058 Cooling water
temperature too
high
Cooling water
outlet tempera‐
ture sensor
Cooling water tem‐
perature above
45 °C
Lower the water temperature at the
cooling water inlet or increase the
flow.
Troubleshooting
53