CPU and Iinput/Output errors will stop the B32 control.
These errors may be caused by problems with the power sup- ply, processor or Input/Output modules. The error is indicated by error codes on the PLC Error screen or by LEDs on the B32 MicroLogix1500 CPU and power supply modules.
To clear and fix a CPU or I/O error from the Main screen:
1 Use the Up/Down arrows to scroll to
Loader Config.
2 Press the Enter arrow.
The Loader Configuration screen displays. Use the up/down arrows to scroll to PLC Errors.
3 Press the Enter arrow.
The Errors screen displays. The alphanumeric error code is listed. The error code is reported in hexidecimal format, with the first two digits identifying a specific I/O module slot. If the digits are 1F, an exact slot cannot be determined. Refer to the Fault Messages and Error Code in the appendix of this manual for a complete listing and follow the recommended action for correcting the error.
4 Clear the error code from the Major
Error field by entering four zeros (0000) using the Select Left/Right arrows.
5 Press the Scroll Down button
to move to the Reset field. There are three choice available in the Reset field: Fault, Error and OK. Continue to press the Scroll down button until you reach OK.
6 Press the Enter button to save the reset.
Press the Home button to return to the home screen.
UGC007/0702 | Basic 32 Loader Control | TROUBLESHOOTING |