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3-16 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide
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After the system has started, the LCD displays a number followed by a bar graph to
indicate how many operations per second the system has processed.
If the system is not operating correctly, the LCD displays one of the following mes-
sages. Some of the errors described also cause the service LED on the system front
panel to illuminate.
NVRAM test failed The system NVRAM produces an error
when the system is starting.
Replace NVRAM batteries! The system is in degraded mode and both
batteries on the NVRAM card are low or
discharged. Replace both batteries
immediately.
Unsupported NVRAM size
x
MB
x
—The amount of memory on the
NVRAM card. The specified size is not
supported.
Unsupported SES shelf
x
, ha
y
ha—host adapter. The system detects
unsupported Enclosure Services
hardware.
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