User guide

890 USE 108 00 August 2001 209
G
Troubleshooting and Maintenance
At a Glance
Introduction The following information relates to troubleshooting and maintenance of the
Compact PLCs.
What’s in this
Chapter?
This chapter contains the following topics:
Topic Page
PLC Codes 210
LED Error Codes 211
Battery Maintenance 217
Conformally Coated Maintenance 218
Customer Service & Technical Assistance 219