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FEM630 | ELECTROMAGNETIC FLOWMETER | OI/FEM630-EN REV. A
9 ...Diagnosis / error messages
Error messages
The error messages are divided into four groups in accordance with the NAMUR classification scheme.
Errors
Error no. / Range Text on the LCD display Cause Remedy
ADC overrange alarm.
Noise too high. Check applicati.
Call service.
Electrode signal overranges max. ADC limits.
No flow measurement possible.
If the tube is empty, make sure the empty
tube detection is activated.
Make sure that the actual flow rate does not
up-scaled the configured flow rate.
Contact the service department
No Frontend Board detected.
Wrong connection. Defect
Frontend. Check wiring.
Frontend board or motherboard hardware
defective.
Wrong or no connection between frontend
board and motherboard.
Check the wiring in the terminal
compartment and in the transmitter housing.
Contact the service department.
Coil regulation error.
Check wiring of sensor coils. Call
service
cable break / short-circuit or defective coil
fuse or moisture in terminal compartment.
terminals) or cable break / short-circuit or
defective coil fuse or humidity in the terminal
compartment.
SIL self check alarm.
Call service.
The SIL monitoring function has detected a
transmitter error.
Contact the service department
Coil isolation alarm.
Call service.
Defective coil or incorrect wiring (short-
Flooded sensor
Contact the service department
SIL function detects error. Call
Service.
detected relevant SIL errors.
Contact the service department
Electrode short cuircit.
Check wiring of sensor electrode.
Call service.
Wrong wiring or electrode leakage or short-
circuit of the electrode signal line and shield
or flowmeter flooded.
Check for incorrect wiring or electrode
leakage or short-circuit of the electrode
signal line and the shield or flooded sensor.
Electrode open cuircit.
Check wiring of sensor electrode.
Call service.
Wrong electrode wiring or break in electrode
signal line.
Check for incorrect electrode wiring or break
in electrode signal line.
Coil wiring error.
Check wiring of sensor coils. Call
service.
cable break / short circuit or defective coil
fuse or moisture in terminal compartment.
terminals) or cable break / short-circuit or
defective coil fuse or humidity in the terminal
compartment.
Call service.
Bad EMC environment or defective
component.
Replace the electronics unit or contact ABB
Service.
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