Power Supply Troubleshooting ................................................................................. 6–5
The input voltage measures less than 20VDC ...........................................................6–5
The input voltage measures greater than 28VDC .....................................................6–5
How to check the power budget ..............................................................................6–5
I/O Module Troubleshooting .................................................................................... 6–6
Input Module Troubleshooting ................................................................................. 6–6
Output Module Troubleshooting .............................................................................. 6–7
How to Check the I/O Configuration .......................................................................6–7
How to Check the I/O Status....................................................................................6–8
Replacement of I/O modules .................................................................................... 6–9
Troubleshooting Electrical Noise Problems ............................................................ 6–10
Electrical Noise Problems ........................................................................................6–10
Reducing Electrical Noise........................................................................................6–10
Error Codes ..............................................................................................................6–11
CLICK PLC Hardware User Manual, 6th Edition, Rev. F – C0-USER-M
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Table of Contents