ServerNet Cluster 6780 Operations Guide (G06.28+, H06.05+)
Troubleshooting and Replacement Procedures
ServerNet Cluster 6780 Operations Guide—525606-003
3-7
Hardware Problem Areas
Switch logic
board
Any 1. Use OSM to check for alarms and repair
actions for the switch logic board. See Using
OSM Alarms on page 3-11.
2. Check the LEDs on the front panel of the logic
board. See Figure 3-8
on page 3-27.
3. See Replacing a Switch Logic Board (Slot 14)
on page 3-33.
Power LED not lit. See Green Power LED Is Not Lit
on page 3-9.
Fault LED is lit. See Yellow Fault LED Is Lit
on page 3-9.
Fault LED is
blinking.
See Yellow Fault LED Is Blinking
on page 3-9.
Switch PIC Any 1. Use OSM to check for alarms and repair
actions for the switch PIC. See Using OSM
Alarms on page 3-11.
2. Check the power and fault LEDs on the switch
PIC. See Figure 3-8
on page 3-27.
3. See Replacing a Node PIC (Slots 6 Through 9)
on page 3-33.
Power LED not lit. See Green Power LED Is Not Lit
on page 3-9.
Fault LED is lit. See Yellow Fault LED Is Lit
on page 3-9.
Fault LED is
blinking.
See Yellow Fault LED Is Blinking
on page 3-9.
Switch port Any 1. Use OSM to check for alarms and repair
actions for the switch port. See Using OSM
Alarms on page 3-11.
2. Check the link-alive LEDs on the switch ports.
See Figure 3-8
on page 3-27.
Link-alive LED not
lit.
See Green Link-Alive LED Is Not Lit
on page 3-9.
Table 3-2. Hardware Problem Areas (page 3 of 4)
Problem Area Symptom Recovery