IBM FlashSystem 900, Service Manual

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3746-900 MAPs
029 (continued)
Exchange the faulty FRU. Go to “3746-900 Maintenance Using a FRU list” on page 1-28.
030
Run the manual assurance test (MAT) using the specific wrap plug installed in the TIC3. According to the
status of the 3746-900 use either “MAP 6000: How to run 3746-900 Diagnostic in Concurrent Mode” on
page 3-17 if the 3746-900 is set in Online mode, or “MAP 6020: How to Run 3746-900 Specific
Diagnostics” on page 3-45 if the 3746-900 is set in Offline mode.
Does the MATs diagnostic run error-free?
Yes No
031
Exchange the faulty FRU. Go to “3746-900 Maintenance Using a FRU list” on page 1-28.
032
Run diagnostic on the token ring processor. Refer either to “MAP 6010: How to run 3746-900 Diagnostic
in Offline Mode” on page 3-43 to run diagnostic in offline mode or to “MAP 6000: How to run 3746-900
Diagnostic in Concurrent Mode” on page 3-17 to run diagnostic in concurrent mode.
Is the diagnostic run error-free?
Yes No
033
Exchange the faulty FRU. Go to “3746-900 Maintenance Using a FRU list” on page 1-28.
034
You can suspect a problem on the link. Perform the problem determination on the ring using the Token-
Ring Network, Problem Determination Guide SX27-3710, or call your support for assistance.
035
Check the status of the multiaccess enclosure using the Multiaccess Enclosure Installation and
Maintenance, manual.
Are all LEDs OK?
Yes No
036
Continue problem determination of the multiaccess enclosure with the Multiaccess Enclosure Instal-
lation and Maintenance, manual.
037
Go to Step 047 on page 2-100
038
You are here because you suspect a problem on a Ethernet LAN connected to a TRP.
¹
Check that all the cables are properly plugged in the Ethernet bridge connection box, in the Ethernet
Bridge, and in the TIC3 of the 3746.
Everything OK?
Yes No
039
Correct the problem
040
(Step 040 continues)
Chapter 2. MAPs for FRU Isolation
2-99