User Manual S200 Open
Update April 2018
11 Alarm messages
11.1 List of error messages
Limit value of
controller 1
The lower or upper limit value of
controller 1 has been
exceeded/fallen below
Check the
measurement and
monitor
Limit value of
controller 2
The lower or upper limit value of
controller 2 has been
exceeded/fallen below
Check the
measurement and
monitor
Limit value of
controller 3
The lower or upper limit value of
controller 3 has been
exceeded/fallen below
Check the
measurement and
monitor
Limit value of
controller 4
The lower or upper limit value of
controller 4 has been
exceeded/fallen below
Check the
measurement and
monitor
Monitoring the
metering of controller
1
Controller 1 operated
in a control value of 100 % for a
period exceeding the metering
monitoring time.
Controller 1 is switched off and
the alarm relay switched
Check the measuring and
monitoring; confirm the
message by
briefly switching to
manual mode.
Monitoring the
metering of controller
2
Controller 2 operated
in a control value of 100 % for a
period exceeding the metering
monitoring time.
Controller 2 is switched off and
the alarm relay switched
Monitoring the
metering of controller
3
Controller 3 operated
in a control value of 100 % for a
period exceeding the metering
monitoring time.
Controller 3 is switched off and
the alarm relay switched
Monitoring the
metering of controller
4
Controller 4 operated
in a control value of 100 % for a
period exceeding the metering
monitoring time.
Controller 4 is switched off and
the alarm relay switched
Turning on the S200 power supply
Start-up of the controller will be
delayed for the set period of time
External stop of the
controller
Digital input 1 of terminal 21/22 has
been switched
The controller is stopped
If digital input 1 is not
switched, the controller will
work again
An error occurred while calibrating
the oxygen digital sensor
The controller function remains
active, the wrong calibration
value is accepted
Repeat calibration or
replace probe
An error occurred while
calibrating the turbidity digital
sensor
The controller function remains
active, the wrong calibration
value is accepted
Repeat calibration or
replace probe