ProMinent ProMaqua Bello Zon CDLb, Operating Instructions Manual, Page: 51 / 76

15 Troubleshooting
The relay "Operating indicator" has de-energized.
The system is not ready for operation, it:
n
is in a fault state
n
is being rinsed
n
is being started up
n
is switched off
The "Warning alert" relay has energized.
Fault description Cause Remedy
↓HCI or ↓NaCIO
2
Lack of chemical (1st stage level switch) Prepare to change the chemical
drum.
Remaining run time =
xxx h
Put briefly, it is a year since the last maintenance (1
year = 8760 h). The control warns 4 weeks in advance
(4 weeks = 672 h).
Arrange immediately for ProMinent
Service to carry out maintenance.
The "Alarm" relay has switched, the "Error" appears in the operating indi‐
cator, the system switches off.
All error messages must be acknowledged.
For some error messages an expert code is required - indi‐
cated in the following table by "#".
For some error messages a user code is required - indicated
in the following table by "##".
Fault description Cause Remedy
HCl vessel empty Hydrochloric aid vessel is empty Replacing both chemical drums - refer to the
"Operation" chapter.
NaCIO
2
vessel empty Chlorite vessel is empty Replacing both chemical drums - refer to the
"Operation" chapter.
Water flow too high The mixer vessel was filled with water too
early.
Reduce the pressure of the diluting water.
Water flow too low The mixer vessel was filled with water too late. Check the pressure of the diluting water
(pipe blocked?).
Operating time
expired
The system has been running for 1 year. Instigate system maintenance immediately!
External error A device that is connected to the input
"External fault", reports a fault (e.g. flow meter
bypass or ClO
2
measuring point)
Clear the fault.
Please contact the responsible ProMinent branch or representative!
In the event of a power failure, the control stores the parame‐
ters and the status of the Bello Zon
®
CDLb system.
After a power failure during normal operation, the Bello Zon
®
CDLb continues working as if this interruption had not
occurred.
Operating indicator
Warning messages
Fault alerts
All other faults
Troubleshooting
51