Epson 386/25 - Manual (Page 291)

System diagnostics error codes and messages (continued)
Error mode Message
Monochrome display adapter and CRT
401 ERROR IN ADAPTER CHECK
403 ERROR IN ATTRIBUTE CHECK
404 ERROR IN CHARACTER SET CHECK
406 ERROR IN GRAPHICS MODE CHECK
408 ERROR IN SCREEN PAGING CHECK
409 ERROR IN LIGHT PEN CHECK
410 ERROR IN VIDEO CHECK
411 ERROR IN SYNC CHECK
Color graphics adapter and CRT
501 ERROR IN ADAPTER CHECK
504 ERROR IN CHARACTER SET CHECK
506 ERROR IN COLOR GRAPHICS CHECK
508 ERROR IN SCREEN PAGING CHECK
509 ERROR IN LIGHT PEN CHECK
510 ERROR IN COLOR VIDEO CHECK
511 ERROR IN SYNC CHECK
Diskette drive(s) and controller
601 DISKETTE DRIVE CONTROLLER ERROR
602 SEQUENTIAL SEEK ERROR
603 RANDOM SEEK ERROR
604 WRITE ERROR
605 READ ERROR
606 DISK CHANGE CHECK REMOVE ERROR
607 DISK CHANGE CHECK INSERT ERROR
Math coprocessor
701 COPROCESSOR NOT INSTALLED
702 COPROCESSOR INITIALIZE ERROR
703 COPROCESSOR INVALID OPERATION
MASK ERROR
704 COPROCESSOR ST FIELD ERROR
705 COPROCESSOR COMPARISON ERROR
706 COPROCESSOR ZERO DIVIDE MASK ERROR
707 COPROCESSOR ADDITION ERROR
708 COPROCESSOR SUBTRACTION ERROR
709 COPROCESSOR MULTIPLICATION ERROR
710 COPROCESSOR PRECISION ERROR
Perfoming System
Diagnostics
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