Troubleshooting And Maintenance; Verification And Maintenance - WEG LSP Serie Manual Del Usuario

5 TROUBLESHOOTING AND MAINTENANCE

This chapter presents:
Lists all faults and alarms that may occur.
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Indicates the possible causes of each fault and alarm.
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Lists most frequent problems and corrective actions.
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Presents instructions for periodic inspections and preventive maintenance in the equipment.
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5.1 VERIFICATION AND MAINTENANCE

Before each shift or at power-on, check the correct operation of the light curtain.
To do this, comply with the following procedure which uses a test piece (the test piece is
supplied with the LSP).
Introduce the test object in the protected area and move it slowly up and down, first at the
center and then close to both the emitter and receiver.
Using the test piece, interrupt the beams one by one, first of all at the center and then close to
the emitter and receiver.
Check that, in each phase of test object movement, the red LED on the receiver always remains
ON and the green LED always remains off.
Figure 5.1: Correct procedure of test
Troubleshooting and Maintenance
LSP | 22