Alarm Messages - Sartorius Stedim Biotech BIOSTAT RM 20 basic Bedienungsanleitung

7.3 Alarm Messages

48 Appendix
The BIOSTAT ® RM 20 | 50 basic displays alarm messages on the screen to inform the
operator of various malfunctions. When in doubt, please contact your Sartorius
Stedim Biotech field employee.
Alarm message Possible causes
Battery low
This is displayed when the PLC
backup battery is too weak.
In this case, you should
immediately call a service
technician to replace the
battery.
You can acknowledge this
alarm by turning the system
off and on.
Error Pt100_1 This is displayed when an
error occurs in the Pt100
sensor during heating
operation or when the sensor
is disconnected from the
system during heating
operation. Temp controller 1
is deactivated for safety
reasons in case of malfunction.
The controller must be
restarted manually after
acknowledging the alarm.
Press the Home button to
acknowledge this alarm.
Error Pt100_2 This is displayed when an error
occurs in the Pt100 sensor
during heating operation
or when the sensor is
disconnected from the system
during heating operation.
Temp controller 2 is deceived
for safety reasons in case of
malfunction. The controller
must be restarted manually
after acknowledging the
alarm.
Press the Home button to
acknowledge this alarm.
Measures
The battery must be replaced
within two weeks to prevent a
program loss.
Connect the surface
temperature sensor.
If required, you should also
test the other Pt100 sensor.
Connect the surface
temperature sensor.
If required, you should also
test the other Pt100 sensor.