Lenovo Secure Managed Client - Manual (Page 31)

Chapter 5. Troubleshooting and problem solving
The Secure Managed Client (SMC) - Storage Array includes an enclosure services
processor and associated monitoring and control logic to enable it to diagnose
problems within the enclosure’s power, cooling and drive systems.
The sensors for power and cooling conditions are housed within the PSUs and
cooling fans. There is independent monitoring for each unit.
Initial start-up problems
The following problems may occur on initial start up:
Faulty cords
First check that you have wired up the subsystem correctly. Call your supplier for
replacement if:
v Cords are missing or damaged.
v Plugs are incorrect.
v Cords are too short.
Alarm sounds and power up
See “Audible alarms” on page 26 for details.
Computer doesn't recognize the subsystem
1.
Check that the interface cables from the SMC - Storage Array to the host
computer are installed correctly.
2.
Check that the LEDs on all installed drive carrier modules are illuminated
(amber).
Note: Drive LEDs will not be lit during drive spin up.
3.
Check that drive carrier modules have been correctly installed.
LEDs
A green LED is always used for good or positive indication. A flashing
green/amber LED is used for non-critical conditions. With the exception of the
drive carrier module LED, which is lit amber under Normal conditions (see “Drive
carrier module faults” on page 30), a continuous red or amber LED indicates the
presence of a critical fault within the module.
Power supply units
The power supply unit provides a single external bi-color LED to indicate the
status of the power supply. When AC is applied to the PSU and standby voltages
are available, the LED will blink green. The LED will be solid on green to indicate
that all power outputs are available. The LED will be on solid amber to indicate
that the power supply has failed (shut down due to over current, shut down due
to over temperature, or a predictive failure).
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