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Troubleshooting
Over temperature blink pattern
An over temperature blink pattern is 5 blinks followed by a two second pause. The 5-blink
error pattern indicates that the air temperature inside the switch has exceeded the failure
temperature threshold (70° C) and all ports are down.
If the Heartbeat LED shows the over temperature blink pattern:
1. Inspect the chassis fans and vents. Are the intake and exhaust vents clear? Are the fans
2. Consider the ambient air temperature near the switch and clearance around the switch.
3. Open a command line window and log on to the switch. Enter the Shutdown command,
Logged-In LED indications
Port diagnostics are indicated by the Logged-in LED for each port and consists of the
following patterns:
Solid illumination, not blinking
Blinking once per second
Blinking twice per second
Figure 15: Logged-In LED location and blinking patterns
See the following sections for information about identifying the cause of the error, and refer to
the HP StorageWorks 2/8q Fibre Channel Switch Management User Guide for information
about correcting the error condition.
44
operating and producing air flow?
— Yes - Continue.
— No - Remove any debris from fan intake and exhaust if necessary. If the condition
remains, continue.
Make necessary corrections. If the condition remains, unplug the switch from the AC
power source, and contact your HP Authorized Maintenance Provider.
then power down the switch. Contact your HP Authorized Maintenance Provider.
Blinking pattern
Description
Logged in
Logging in
Port Error blinking
pattern—the port is down, offline, or
excessive port errors exist
HP StorageWorks 2/8q Fibre Channel Switch Installation Guide
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