300-399, Keyboard Test Error Codes; 400-499, Parallel Printer Test Error Codes; Keyboard Test Error; Parallel Printer Test Error - Compaq PROLIANT ML370 Maintenance And Service Manual

300-399, Keyboard Test Error Codes

The 300 series of diagnostic error codes identifies failures with keyboard and system board
functions.
Error Code
301-xx
302-xx
303-xx
304-xx

400-499, Parallel Printer Test Error Codes

The 400 series of diagnostic error codes identifies failures with parallel printer interface card or
system board functions.
Error Code
401-xx
402-xx
403-xx
498-xx
Keyboard Test Error Codes
Description
Keyboard short test, 8042 self-test
failed.
Keyboard long test failed.
Keyboard LED test, 8042 self-test
failed.
Keyboard typematic test failed.
Parallel Printer Test Error Codes
Description
Printer failed or not connected.
Printer data register failed.
Printer pattern test failed.
Printer failed or not connected.
Diagnostics and Troubleshooting 3-29
Table 3-5
Recommended Action
1. Check the keyboard connection. If disconnected,
turn off the computer, connect the keyboard,
power up, and retest.
2. Replace the keyboard and retest.
3. Replace the system board and retest.
Table 3-6
Recommended Action
1. Connect the printer and retest.
2. Check the power to the printer and retest.
3. Install the loopback connector and retest.
4. Check the switch on the serial/parallel interface
board (if applicable) and retest.
5. Replace the serial/parallel interface board
(if applicable) and retest.
6. Replace the system board and retest.