GE 90-30/20/Micro manual Error Code, Table B-2. PLC Fault Actions

B

Fault Action

Each fault may have one of three actions associated with it. These fault actions are fixed on the Series 90-30 PLC and cannot be changed by the user.

Table B-2. PLC Fault Actions

Fault Action	Action Taken by CPU	Code
Informational	Log fault in fault table.	1
Diagnostic	Log fault in fault table.	2
	Set fault references.
Fatal	Log fault in fault table.	3
	Set fault references.
	Go to STOP mode.

Error Code

The error code further describes the fault. Each fault group has its own set of error codes. Table B- 3 shows error codes for the PLC Software Error Group (Group 87H).

Table B-3. Alarm Error Codes for PLC CPU Software Faults

Decimal	Hexadecimal	Name
20	14	Corrupted PLC Program Memory.
39	27	Corrupted PLC Program Memory.
82	52	Backplane Communications Failed.
90	5A	User Shut Down Requested.
All others		PLC CPU Internal System Error.

GFK-0467K Appendix B Interpreting Fault Tables B-5