IBM System Storage DS4000, Руководство по техническому обслуживанию аппаратной части

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Table 48. Symptom-to-FRU index for DS4500 RAID controller (continued)
Problem Action/FRU
Software issued a controller
error message.
1. Check Controller Fan
2. Controller CRU
Software errors occur when
attempting to access
controllers or drives.
1. Check appropriate software and documentation to
make sure the system is set up correctly and the proper
command was run.
2. Power to the Controller
3. Interface cables
4.
ID settings
5.
Controller
6. Drive
7. Controller backpanel
Fan LED (front cover) is on.
1. Power supply fan CRU
2.
Controller fan CRU
Controller and Fan fault
LEDs (front cover) are on.
1. Check both Fan and Controller CRUs for fault LED and
replace faulty CRU.
Fault-A or Fault-B LED
(battery CRU) is on.
1.
Battery CRU
Full Charge-A or Full
Charge-B LED (battery
CRU) is off.
1. Power-on Controller and allow batteries to charge for
24 hours until the Full Charge LEDs are on.
2. Battery CRU
3. Both power supplies
No power to controller (all
power LEDs off).
1. Check power switches and power cords.
2. Power supplies
Power Supply LED is off.
1. Check and reseat power supply.
2.
Check for overheating. Wait ten minutes for the power
supply CRU to cool down.
3. Power supply CRU
Power Supply CRUs LED
are on, but all other CRU
LEDs are off.
1. DC power harness
102
IBM TotalStorage DS4000: Hardware Maintenance Manual