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Indication Of Defected Devices With Lamps - NEC EXPRESS5800/140He Service Manual

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4.3

Indication of Defected Devices with Lamps

The Server is equipped with lamps on the front panel and boards to support the indication of
defected devices.
If an error occurs, any of the Status and error (typical cause) lamps on the front panel and error
(detailed cause) lamps installed on boards light or blink to indicate the device or location at which
the error occurs.
The Status and error lamps except the fan error lamps can remain lit if the DC power is turned off.
Front Panel (140Rd-4)
Front Panel (140He)
STATUS lamp
Error lamps (typical cause lamp)
From top:
– Attention lamp
– Processor board error lamp
– Memory board error lamp
– I/O board error lamp
– Power supply unit error lamp
– Fan error lamp
– Thermal error lamp
STATUS lamp
Error lamps (typical cause lamp)
From left:
– Attention lamp
– Processor board error lamp
– Memory board error lamp
– I/O board error lamp
– Power supply unit error lamp
– Fan error lamp
– Thermal error lamp
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