Troubleshooting with LEDs
2-9
Figure 2-5 Troubleshooting Steps for PCI Shelf
LED 3 lit
No
Check Cabling to PCI shelf.
Check to make sure the clip connectors
are engaged properly. If so, proceed to
Check 48V Power Supply.
1
Yes
OM56-99
1
2
2
LED 1 lit
No
Internal Power System Error.
Check fans in blower; check
for jumper cable (a small plug) replacing
fan connection.
Replace
Power
Board.
13
4
Yes
No
Replace Motherboard.
15
LED 2 lit
Yes
LED 4 lit
Yes
Hose Error.
16
Some error has occurred in the protocol
governing the transfer of data over the
hose. Replace the hose first, the mother-
board second, the KFTHA third.
3