6 Troubleshooting Your JBOD Enclosure
6.1
Safety First—For You and Your Enclosure
CAUTION:
Many repairs may only be done by a certified service technician. You should only perform troubleshooting and
simple repairs as authorized in your product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Lenovo is not covered by the warranty. Read
and follow the safety instructions that came with the product.
6.2
Troubleshooting Enclosure Startup Failure
If your system stops functioning during startup, check if:
●
The enclosure fault LEDs are lit, please check all the LEDs. Please refer to the following sections for LED
locations and system states.
1)
Section
1.1
for LEDs on the front and rear of the chassis
2)
Section
3.1.2
3)
Section
3.2.2
6.3
Troubleshooting Loss of Communication
For information about troubleshooting loss of communication, see section
6.4
Troubleshooting Power Supply Unit or Cooling Fan Module
CAUTION:
Many repairs may only be done by a certified service technician. You should only perform troubleshooting and
simple repairs as authorized in your product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Lenovo is not covered by the warranty. Read
and follow the safety instructions that came with the product.
CAUTION:
Users should only replace a single PSU or Fan during a single service action. Never replace multiple FRUs at
once.
6.6
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