5 – Diagnostics/Troubleshooting
Power-On Self Test Diagnostics
5-4 59096-04 A
S
5.2.1.1
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. Momentarily press and release the Maintenance button to
reset the switch.
5.2.1.2
Fatal POST 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. Momentarily press and release the Maintenance button to reset the
switch.
2 seconds
2 seconds
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