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About Your System 39
Solving Problems Described by LCD Status Messages
The code and text on the LCD can often specify a very precise fault condition
that is easily corrected. For example, if the code E1418
CPU_1_Presence
appears, you know that a processor is not installed in socket 1.
You might be able to determine the problem if multiple related errors occur.
For example, if you receive a series of messages indicating multiple voltage
faults, you might determine that the problem is a failing power supply.
Removing LCD Status Messages
For faults associated with sensors, such as temperature, voltage, fans, and so
on, the LCD message is automatically removed when that sensor returns to a
normal state. For example, if temperature for a component goes out of range,
the LCD displays the fault; when the temperature returns to the acceptable
range, the message is removed from the LCD. For other faults, you must take
action to remove the message from the display:
• Clear the SEL—You can perform this task remotely, but you will lose the
event history for the system.
• Power cycle—Turn off the system and disconnect it from the electrical
outlet; wait approximately ten seconds, reconnect the power cable,
and restart the system.
W1628 Performance
degraded.
Check PSU and
system
configuration.
The system configuration
requires more power
than what the power
supply can provide,
but it can boot if
throttled.
Turn off power to the
system, reduce the
hardware configuration or
install higher-wattage
power supplies, and then
restart the system.
NOTE: For the full name of an abbreviation or acronym used in this table, see the
Glossary at support.dell.com/manuals.
Code Text Causes Corrective Actions
book.book Page 39 Tuesday, August 24, 2010 1:47 PM