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10 Troubleshooting
LED display → 8.3
Problem
No LED display
Power LED flashes and
sensor does not switch
Sensor does not switch,
not even after undamping
and redamping
No close zone
11 Maintenance, repair and disposal
If used correctly, no maintenance and repair measures are necessary.
Only the manufacturer is allowed to repair the unit.
After use dispose of the unit in an environmentally friendly way in accordance with
the applicable national regulations.
14
Possible cause
No voltage supply
• Undervoltage
• Overvoltage
Sensor was brought into the
safe state (logic "0"). Cause:
• cross fault between both
outputs A1 and A2
• cross fault between output
A2 and the supply voltage
• error in the sensor detected
Due to its characteristics
(material, form, size), the
damping element displaces
the enable zone until directly
in front of the sensing face
Troubleshooting
Apply voltage
Correct the voltage
(→ 9 Technical data)
• Remove the cross fault
• Replace the unit
If possible, change the
material, form or size of the
damping element (→ 5.1
Enable zone)
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