I Troubleshooting

Appendix I

Introduction

This chapter provides information that can help resolve problems with the IOLAN.

Hardware Troubleshooting

The Power/Ready LED stays red after a boot.

If the IOLAN Power/Ready LED is red and stays red for over 10 seconds, you have a hardware problem that might to require factory service. First, try the following:

zIn Console mode for desktop models or viewing the Console port in rack mount models, see if you need to reload the firmware, which can be found either on the CD-ROM that came with the IOLAN or on the Perle website, www.perle.com/downloads/serial.shtml.

zIf the bootloader option does not appear when you reboot the IOLAN (to load new firmware), you need to make arrangements to return the IOLAN.

If you purchased the IOLAN less than 30 days before this problem appears, contact your distributor; otherwise, see the Perle web site (www.Perle.com) for factory service information. Note: no factory service can be performed on IOLANs that have not been registered.

The Power/Ready LED on a rack mount model flashes red:

zGood Boot: When the IOLAN cycles through a good boot, the Power/Ready LED cycles for several seconds and then stays a solid green.

zNoncritical Error Boot: When the IOLAN cycles through a boot and a noncritical error occurs, such as a bad port, the Power/Ready LED will flash red briefly before displaying a solid green. You should reboot the IOLAN while monitoring the Console port to view the error information.

zCritical Error Boot: When the IOLAN cycles through a boot and a critical error occurs, such as corrupted firmware, the Power/Ready LED continues to flash red. View the IOLAN reboot through the Console port for information on how to correct the problem.

zFatal Error Boot: When the IOLAN cycles through a boot and a fatal error occurs, the Power/Ready LED stays a solid red).

IOLAN SDS/SCS/STS User’s Guide, Version 3.6

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Perle Systems SCS, STS manual Hardware Troubleshooting, Power/Ready LED stays red after a boot