455
SECTION 9
Troubleshooting and Maintenance
This section describes error processing, periodic maintenance operations, and troubleshooting procedures needed to keep
the DeviceNet Network operating properly. We recommend reading through the error processing procedures in both this
manual and the operation manual for the master being used before operation so that operating errors can be identified and
corrected more quickly.
9-1 Indicators and Error Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 456
9-2 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 457
9-2-1 Troubleshooting by LED Indicators . . . . . . . . . . . . . . . . . . . . . . . . . 457
9-2-2 Troubleshooting by Slave Model . . . . . . . . . . . . . . . . . . . . . . . . . . . 460
9-3 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 466
9-3-1 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 466
9-3-2 Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 466
9-3-3 Replacing Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 467