Positions and Switch
402 - 07 Printer loopback, data, and control Settings and
registers failed Adjustments").
3. Replace the printer
402 - 08 Printer interrupt test failed and/or the printer
cable and retest.
402 - 09 Printer interrupt and data register 4. Replace the multipurpose
failed fixed disk drive
controller board or the
402 - 10 Printer interrupt and control register multipurpose controller
failed board and retest.
5. Replace the system board
402 - 11 Printer interrupt, data, and control and retest.
register failed
402 - 12 Printer interrupt and loopback failed
402 - 13 Printer interrupt, loopback and data
register failed
402 - 14 Printer interrupt, loopback and control
register failed
402 - 15 Printer interrupt, loopback, data, and
control register failed
402 - 16 Printer unexpected interrupt received
403 - 01 Printer pattern test failed
498 - 00 Printer failed or not connected
==============================================================================
Table 5-6. Video Display Unit Test Error Codes
==============================================================================
Error
Codes Error Description Recommended Action
------------------------------------------------------------------------------
501 - 01 Video controller test failed The following steps apply
to error codes 501 - 01
502 - 01 Video memory test failed through 516 - 01:
503 - 01 Video attribute test failed 1. Replace the video
display controller
504 - 01 Video character set test failed board and retest.
2. Replace the monitor and
505 - 01 Video 80 x 25 mode9x14character retest.
cell test failed 3. Check the VDU fuse on
the system board and
506 - 01 Video 80 x 25 mode8x8character retest.
cell test failed 4. Replace the system
board and retest.
507 - 01 Video 40 x 25 mode test failed
508 - 01 Video 320 x 200 mode color set 0 test
failed
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