Error Messages And Fault Finding; Error Messages - Grundfos Conex DIA-G Instrucciones De Instalación Y Funcionamiento

12. Error messages and fault finding

In case of measurement faults, see the
Note
manual of the gas sensors.

12.1 Error messages

Error message Cause
1. Sensor test a)
error.
2. CANBus a)
interface
error.
3. Sensitivity a)
error.
4. Battery a)
backup error.
5. Open circuit a)
current
output.
52
Manual/automatic sensor test
failed.
Address of sensor interface
incorrect.
Calibration in "Fine adjustment"
menu results in a sensitivity
outside the limits that can be
tolerated.
Monitoring relay for backup battery
in alarm state.
Connecting line at the relevant
current output disconnected.
Remedy
Check the sensor and the connecting line.
Replace the sensor.
Check and modify the CAN address on the
sensor interface.
Check the sensor.
Check the concentration of comparative
measurement.
Check the connecting lines to the backup
battery.
Check the power supply for the backup battery.
Check the connecting lines at the current
output.
Check the connected device.