Endress+Hauser CM14 - Page 33

CM14 Troubleshooting
Endress+Hauser 33
Diagnostic
code
Message text Description
F100 Sensor comm.
No sensor communication.
Possible reasons:
• No sensor connection
• Faulty sensor connection
• Short-circuit in the sensor cable
• Short-circuit in the neighboring channel
• Sensor firmware update canceled with an error
Remedy:
• Check sensor cable connection
• Check sensor cable for short-circuit
• Replace sensor
• Restart firmware update
• Contact service
F130 Sensor supply
Sensor check.
Poor energy supply to sensor.
Remedy:
• Check cable connections
• Replace sensor
F142 Sensor signal
Sensor check.
No conductivity display.
Possible reasons:
• Sensor in air
• Sensor defective
Remedy:
• Check sensor installation
• Replace sensor
F143 Self test
Sensor self-test error.
Remedy:
• Replace sensor
• Contact service
F152 No airset
Sensor data.
No calibration data present
Remedy:
Carry out airset calibration
F523 Cell const.
Sensor calibration warning.
Invalid cell constant, max. range reached.
Remedy:
• Recalibrate
• Enter cell constant according to factory specifications
• Replace sensor
F524 Cell const.
Sensor calibration alarm.
Min. possible cell constant undershot.
Remedy:
• Recalibrate
• Enter cell constant according to factory specifications