13-53
13 Troubleshooting
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
13-7 Cleaning and Maintenance
13
13-7-2 Inspection
Check the items in the following table and correct any items that are below the standard. Improve the
operating environment or adjust the EtherNet/IP Unit to correct the situation if any of the standards in
the following table are not met.
Daily Inspections
Daily inspection Inspection Criteria Inspection method
Environmental
conditions
Ambient and in-panel temperature 0 to 55°C Thermometer
Ambient and in-panel humidity 10% to 90% (with no
condensation or icing)
Hygrometer
Dust and dirt accumulation No dust or dirt Visual
Installation condi-
tions
Is the Unit installed securely? No looseness
Make sure that Ethernet cable connectors
are fully inserted and locked.
No looseness Phillips screwdriver
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