Troubleshooting Checklist - Omron E5AR-T User Manual

Section 10 Troubleshooting

10.1 Troubleshooting Checklist

If you encounter difficulty with the Controller, use the following checklist to troubleshoot the problem.
Check the display
Check switches
and wiring
Check parameters
Infer from conditions
10-2
Check the operating state of the E5AR-T/ER-T as indicated by the
display.
Error messages and indicators are described in 10.2 Error Messages
(P. 10-3). If an error message is displayed, refer to this section to
troubleshoot the problem.
Check switch settings and wiring
● Power Supply
• Is the power turned ON?
• Is the terminal voltage within the specified range?
● Input Type Switch
• Is the switch set to the correct setting for the sensor you are
using?
● Wiring
• Are the terminal connections correct?
• Are the polarities correct?
• Are any wires loose?
• Are any wires or cables broken or not making contact?
● Communications Settings
• Do the communications settings match those of the host system?
If you are unable to identify the problem from the above or cannot
solve the problem, investigate in more detail.
• Are the parameters set correctly?
• Check for restrictions on the function you are using.
See if the cause of the problem lies in your settings.
If you were not able to identify the cause of the problem by checking
the above, refer to the tables starting in 10.2 Error Messages (P. 10-3).