Chapter

7

Troubleshooting

This chapter is a guide to troubleshooting and problem isolation for the Series 90-30 Ethernet

Interface, the Series 90-30 CPU364, the Series 90-30 CPU374, and the Series 90-70 Ethernet

Interface (Type 2).

ƒDiagnostic Tools Available for Troubleshooting

ƒWhat to do if you Cannot Solve the Problem

ƒPLC Fault Table

GFK-1541B

7-1

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GE GFK-1541B manual Troubleshooting