IBM DCS3860, Installation, User'S, And Maintenance Manual

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Table 20. Troubleshooting (continued)
Problem
indicator
Component Possible cause Possible solutions
All green LEDs
are off All components system power is off Ensure that all storage system
power cables are connected and
that the power-supply switches
are on. If applicable, ensure that
the main circuit breakers for the
rack are turned on.
Power failure Check the main circuit breaker
and ac receptacle (ac models).
Check the -48 V dc power source
and disconnect device (dc
models).
Power-supply failure Replace the power supply.
Operating
environment is too
hot Cool down the environment.
Midplane failure Contact your IBM technical
support representative.
Amber LED is
flashing Drives (fault
LED is lit) Drive identification
is in process No corrective action is needed.
Front panel One or multiple
components has
intermittent
problems Use the Storage Manager
Recovery Guru menu function
and the Major Event Log to
troubleshoot the problem.
Chapter 6. Hardware maintenance
127