Compaq XL280 Maintenance & Service Manual page 46

Error Code Description
300-xx Failed ID Test
301-xx Failed Self-Test/Interface Test
302-xx Failed Individual Key Test
304-xx Failed Keyboard Repeat Test
Error Code Description
401-xx Printer failed or not connected
402-xx Failed Port Test
403-xx Printer pattern test failed
Presario 1800/1800T Series
Models: XL280, XL380, XL381,
and XL390
Keyboard Test Error Codes
Parallel/Printer Test Error Codes
Recommended Action
The following steps apply to error codes
300-xx through 304-xx:
1. Check the keyboard connection. If
disconnected, turn off the Notebook
and reconnect the keyboard.
2. Replace the keyboard
3. Replace the system board
Recommended Action
The following steps apply to error codes
401-xx through 403-xx:
1. Connect the printer.
2. Check power to the printer.
3. Install loopback connector on printer
port and retest.
4. Check port and IRQ configuration.
5. Replace the system board
and retest.
and retest.
and retest.