HP j6700, Service Handbook

Page: 44 / 152

44 Chapter 3
Troubleshooting
Identifying LCD-Indicated Conditions
Identifying LCD-Indicated Conditions
This workstation uses a 2-line LCD, with up to 16-characters per line, to display
firmware/operating system progress codes. These codes are referred to as chassis codes.
The information displayed on the LCD has the following format:
XXX YYYY: ZZZZZZ
(Line 1)
AAAAAAAAAAAAAAAA
(Line 2)
Where:
The 3-character operating status can be one of the following:
Selftest Failures
Chassis codes are the key to debugging selftest errors. If a failure is found during selftest,
chassis codes are displayed in the system LCD. To debug a failure:
1. In Table 3-1 starting on the next page, find the chassis code listed on the LCD.
2. In the Boot Console Handler, use the Service Menu’s
pim
,
pdt
, and
ChassisCodes
commands to get additional information about the failure.
The FRU column in Table 3-1 shows messages printed on the LCD that refer to system
FRUs. All codes are listed in numeric order.
XXX
Three-character Operating Status
YYYY
Four-digit hex code identifying the code module being executed
ZZZZZZ
Six-digit FRU descriptor
AAAAAAAAAAAAAAAA
Diagnostic message of up to 16 characters
FLT
(fault) A hardware error has been detected
TST
(test) Hardware being tested
INI
(initialize) Hardware being initialized
SHU
(shutdown) System being shutdown
WRN
(warning) A non-optimal operating condition exists
RUN
(running) The operating system is running