Q-Logic QLA2342, SB2A-16B Heartbeat LED Blink Patterns, Internal Firmware Failure Blink Pattern

5 – Diagnostics/Troubleshooting	0
POST Diagnostics

5.1.1

Heartbeat LED Blink Patterns

The Heartbeat LED indicates the operational status of the switch. When the POST completes with no errors, the Heartbeat LED blinks at steady rate of once per second. When the switch is in maintenance mode, the Heartbeat LED illuminates continuously. Refer to ”Recovering a Switch” on page 5-13for more information about maintenance mode. All other blink patterns indicate critical errors.

The Heartbeat LED shows an error blink pattern for the following conditions:

„2 blinks - Internal Firmware Failure Blink Pattern

„3 blinks - System Error Blink Pattern

„4 blinks - Configuration File System Error Blink Pattern

5.1.1.1

Internal Firmware Failure Blink Pattern

An internal firmware failure blink pattern is 2 blinks followed by a two second pause. The 2-blink error pattern indicates that the firmware has failed, and that the switch must be reset. Power cycle the switch to reset it.

2 seconds

5.1.1.2

System Error Blink Pattern

A system error blink pattern is 3 blinks followed by a two second pause. The

3-blink error pattern indicates that a POST failure or a system error has left the switch inoperable. If a system error occurs, contact your authorized maintenance provider. Power cycle the switch to reset the switch.

2 seconds

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