Psu Led Indicator; Diagnostic Error Messages - Dell Precision 3930 Rack Service Manual

Amber LED state Fault Description Faults
3, 4 BIOS Recovery 2
4, 7 System Side
cover is missing

PSU LED indicator

Table 5. PSU LED indicator summary
LED behavior
Off
Solid green
Flashing amber
Flashing Green

Diagnostic error messages

Table 6. Diagnostic error messages
Error messages
AUXILIARY DEVICE FAILURE
BAD COMMAND OR FILE NAME
CACHE DISABLED DUE TO FAILURE
CD DRIVE CONTROLLER FAILURE
DATA ERROR
DECREASING AVAILABLE MEMORY
DISK C: FAILED INITIALIZATION
Recovery Image found but invalid
Diagnosis
AC Power is not connected
In standby mode. A valid AC source is connected and power is
operational. When on PSU is providing DC power to the system.
Indicates a problem with the power supply
When hot-adding a power supply, this indicates that the power
supply is mismatched with the other power supply (in terms of
efficiency, features set, health status, and supported voltage).
Description
The touchpad or external mouse may be faulty. For an external
mouse, check the cable connection. Enable the Pointing Device
option in the System Setup program.
Ensure that you have spelled the command correctly, put spaces in
the proper place, and used the correct path name.
The primary cache internal to the microprocessor has failed.
Contact Dell
The optical drive does not respond to commands from the
computer.
The hard drive cannot read the data.
One or more memory modules may be faulty or improperly seated.
Reinstall the memory modules or, if necessary, replace them.
The hard drive failed initialization. Run the hard drive tests in Dell
Diagnostics.
Recommendation for Tech Support
system and remove coin cell battery. Install
back battery and power back on to see if
issue persist. If yes, replace motherboard.
Power off system and install RTC_RST
jumper. Remove jumper and power back on
to see if issue persist. If yes, power off
system and remove coin cell battery. Install
back battery and power back on to see if
issue persist. If yes, replace motherboard.
Install back the side cover. If not resolve,
check intrusion switch mechanical and
connector plugged in.
Troubleshooting 77