Epson EQUITY II+ User Manual
Appendix A
Error Codes and Messages
This appendix lists all the error codes and messages that may appear
during diagnostics checks.
Table A-1. Error a&s and messages
Error code
102
103
104
105
104
105
107
108
108
108
109
110
111
112
112
113
114
115
Message
80286 CPU ERROR
27256 ROM CHECKSUM ERROR
8254 TIMER COUNTER REGISTER ERROR
8254 TIMER COUNTER ERROR
8237 DMA CONTROLLER REGISTER ERROR
8237 DMA REFRESH ERROR
8237 DMA CONTROLLER REGISTER ERROR
8237 DMA REFRESH ERROR
612 DMA PAGE REGISTER ERROR
8042 TIMEOUT ERROR
8042 TIMEOUT ERROR
8042 SELF DIAGNOSTIC ERROR
8042 WRITE COMMAND ERROR
8259 INTERRUPT CONTROLLER ERROR
146818 CMOS SHUTDOWN BYTE ERROR
146818 CMOS BATTERY ERROR
146818 CMOS CHECKSUM ERROR
80286 INSTRUCTION ERROR
80286 PROTECT MODE ERROR 1
80286 PROTECT MODE ERROR 1
80286 PROTECT MODE ERROR 2
MEMORY/PARITY ERROR
8042 ERROR
301
KEYBOARDERROR
302
KEYBOARD IS NON-STANDARD, OR
KEYBOARD IS DEFECTIVE
303
KEYBOARD LOCKING ERROR
Monochrome display adapter and CRT
V-RAM ERROR
402
VIDEO SIGNAL ERROR
403
ATTRIBUTE ERROR
404
CHARACTER SET ERROR
Color graphics adapter and CRT
V-RAM ERROR
503
ATTRIBUTE ERROR
504
CHARACTER SET ERROR
505
40-COLUMN CHARACTER SET ERROR
506
COLOR GRAPHICS ERROR
507
640 x 200 GRAPHICS MODE ERROR
508
SCREEN PAGING ERROR
509
LIGHT PEN ERROR
510
COLOR VIDEO ERROR
Diagnostics
A-1