How to Diagnose Multiple FRUs (2600-310/310D/310E/310ED)
How to Diagnose Multiple FRUs
If the adapter or device has more than one FRU, the error code
could be caused by either FRU.
Before replacing multiple FRUs, try removing or
exchanging each FRU,
one by one in the designated sequence, to see if the symptoms change.
Please see the LEGAL - Trademark notice.
Feel free - send a 
for any BUG on this page found - Thank you.