NORIS Automation GmbH
Troubleshooting | 8
Instruction manual FA13
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A function test may already provide an indication whether the sensor is func-
tioning correctly or not. Such function tests are described in this instruction
manual (see “Commissioning” Section).
Frequent causes of faults
General causes of faults
▪ Is the correct type of sensor installed? Is it suitable for the scanning
object?
▪ Do the sensor operating conditions conform to the specification (envi
-
ronmental influences, scope of application)?
Electrical causes of faults
▪ Does the power source supply sufficient current?
▪ Is the sensor connected correctly (pin assignment, cable break, loose
screws, etc.)?
▪ Is the load too high (output signal unclear)?
▪ Is the scanning frequency overshot or undershot?
Mechanical causes of faults
Checking the scanning object:
▪ Is the scanning object made of ferromagnetic material (for FAH[..],
FAJ[..] Series) or electrically conductive material (for FAW[..] Series)?
▪ Is the scanning object in perfect condition (no burrs, no deformation,
not covered)?
▪ Is the scanning object running correctly (bearing clearance, radial run-
out error)?
Checking the sensor
▪ Is the sensor installed in the correct position?
▪ Is the distance from sensor to the scanning object correct?
▪ Is the vibration within the tolerance (sensor mounting)?
8.3