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FEM630 | ELECTROMAGNETIC FLOWMETER  |  OI/FEM630-EN REV. A
9     ...Diagnosis / error messages
Overview
Errors encountered are itemized in tabular form on the following pages. The response of the transmitter on error detection is 
described therein. 
The table lists all possible errors together with a description of their impact on the value of measurement variables, the 
properties of current outputs and the alarm output.
Error no. / Range Error text Current output Digital output Pulse output LCD display Error maskable?
electronics
ADC overrange 
alarm.
Noise too high. 
Check applicati. Call 
service.
High Alarm or Low 
Alarm, depending on 
parameter ‘Curr.Out at 
Alarm’.
General Alarm if DO as 
’Logic / Alarm Signal’ is 
configured.
  No
electronics
No Frontend Board 
detected.
Wrong connection. 
Defect Frontend. 
Check wiring.
  No
Electronics
Coil regulation error.
Check wiring of 
sensor coils. Call 
service .
  No
Electronics
SIL self check alarm.
Call service.
Current value - no 
change.
Current value - 
no change.
No
Electronics
Coil isolation alarm.
Call service.
Current value - no 
change.
Current value - 
no change.
No
electronics
Safety Alarm Curr. 
SIL function detects 
error. Call Service.
Current value - no 
change.
Current value - 
no change.
No
Electronics
Electrode short 
cuircit.
Check wiring of 
sensor electrode. Call 
service.
  No
Electronics
Electrode open 
cuircit.
Check wiring of 
sensor electrode. Call 
service.
  No
Electronics
Coil wiring error.
Check wiring of 
sensor coils. Call 
service.
  No