Down Led; Cpu Led; Down Led Definitions; Cpu Led Definitions - Enterasys A4H124-24 Hardware Installation Manual

Checking the LEDs

DOWN LED

The STACK DOWN LED indicates the state of the connection to the switch stack up connector, as
described in
Table 3-4 DOWN LED Definitions
Color
Off
Green

CPU LED

The CPU LED indicates the status of the system operation, as described in
Table 3-5 CPU LED Definitions
Color
Off
Red
Amber
3-4 Troubleshooting
Table 3-4.
State
No valid connection to switch stack up
connector.
Solid. Valid connection to switch stack up
connector.
Blinking. Information is being transferred
through the stacking cable.
State
Power disconnected.
Solid. Boot-up failed.
Blinking. Diagnostics have failed.
Solid. Diagnostics are running.
Blinking. Code image is being
downloaded, or the Manager switch is
copying its configuration to the other
members in the stack. (This happens
automatically every 15 minutes and every
time the save config command is
executed.
Recommended Action
1. Make sure the switch connected to the
stack up connector is powered on.
2. Replace cable with a known good one.
3. If the problem still exists, contact
Enterasys Networks for technical support.
None.
None.
Table
Recommended Action
If the LED remains off after connecting AC
power or DC power from an RPS, check the
following:
1. Make sure there is power at the power
source (AC source and RPS if applicable).
2. Replace the power cord with a known
good one or check the continuity of the
power cord.
3. If the switch still does not power up, the
system may have a fatal error. Contact
Enterasys Networks for technical support.
If the LED remains red for several minutes,
the system may have a fatal error. Contact
Enterasys Networks for technical support.
Contact Enterasys Networks for technical
support.
If the LED remains amber for more than
several minutes, contact Enterasys Networks
for technical support.
None.
3-5.