User Manual User guide

Publication 1756-UM534B-EN-P - November 2010 161

Appendix

Troubleshooting Display and Status

Indicators

This section covers problems that may occur with your 1756-RIO module.

The following areas are covered:

• 1756-RIO module’s alphanumeric display

• RIO status indicator

• CLX status indicator

• OK status indicator

•Debug log

• Fatal errors

• Updating the firmware

Alphanumeric Display

The 4-character, alphanumeric display shows ‘RIO Scanner’, or ‘RIO Adapter’,

followed by the firmware version number, and any banner text defined in the

module configuration.

The display shows the following messages at power-up.

If the indicator on the 1756-RIO module does not cycle through these

messages on powerup, contact Technical Support.

Message Description

B#nn Stages in the start-up processes; nn is a hexadecimal number

Boot Next stage in power-up sequence

RIO Scanner v. x.xx.xx Module firmware revision