9
UK
9.2 Fault indication
Display
Possible cause
Switching output
[Hno]
[Hnc]
[++]
Too much light,
e�g� reflective surfaces
ON
OFF
[--]
Not enough light, no object
OFF
ON
[nEA]
Object to be measured outside the
measuring range < 30 mm
ON
OFF
[FAr]
Object to be measured outside the
measuring range > 2500 mm
OFF
ON
[ERP]
Plausibility (e.g. object too fast)
unchanged
unchanged
[SC]
Short circuit at the switching output
10 Maintenance, repair and disposal
► Keep the front pane of the sensor free from soiling.
►
For cleaning do not use any solvents or cleaning agents which could damage
the plastic material�
►
Do not try to open the module enclosure� There are no user-serviceable
components inside�
Technical data and further information at www�ifm�com
