GE 90-30/20/Micro manual Fault Explanation and Correction, Section Title Description

Chapter

3

Fault Explanation and Correction

This chapter is an aid to troubleshooting the Series 90-30, 90-20, and Micro PLC systems. It explains the fault descriptions, which appear in the PLC fault table, and the fault categories, which appear in the I/O fault table.

Each fault explanation in this chapter lists the fault description for the PLC fault table or the fault category for the I/O fault table. Find the fault description or fault category corresponding to the entry on the applicable fault table displayed on your programmer screen. Beneath it is a description of the cause of the fault along with instructions to correct the fault.

Chapter 3 contains the following sections:

Section	Title	Description	Page
1	Fault Handling	Describes the type of faults that may occur in the	3-2
		Series 90-30 and how they are displayed in the fault
		tables. Descriptions of the PLC and I/O fault table
		displays are also included.
2	PLC Fault Table	Provides a fault description of each PLC fault and	3-7
	Explanations	instructions to correct the fault.
3	I/O Fault Table	Describes the Loss of I/O Module and Addition of I/O	3-17
	Explanations	Module fault categories.

GFK-0467K 3-1