Error Codes And Messages - Epson 10020 User Manual

Error Codes and Messages

This table lists all the error codes and messages that may appear
during diagnostics checks.
Error code
System board
101
102
103
104
105
105
108
109
111
112
113
Memory
201
Keyboard
301
302
Monochrome
401
402
403
404
Color graphics adapter and CRT
501
503
504
505
506
507
508
509
510
D-36 Performing System Diagnostics
Message
8088 CPU ERROR
27128 ROM CHECKSUM ERROR
8254 TIMER COUNTER REGISTER ERROR
8254 TIMER COUNTER ERROR
8237 DMA CONTROLLER REGISTER ERROR
8237 DMA REFRESH ERROR
8048 SELF DIAGNOSTIC ERROR
8259 INTERRUPT CONTROLLER ERROR
146818 CMOS BATTERY ERROR
146818 CMOS CHECKSUM ERROR
8088 INSTRUCTION ERROR
MEMORY/PARlTY ERROR
8048 ERROR
NON-STANDARD OR DEFECTIVE KEYBOARD
adapter and
display
V-RAM ERROR
VIDEO SIGNAL ALWAYS HIGH/LOW
ATTRIBUTE ERROR
CHARACTER SET ERROR
V-RAM ERROR
ATTRIBUTE ERROR
CHARACTER SET ERROR
40-COLUMN CHARACTER SET ERROR
320x200 GRAPHICS MODE ERROR
640x200 GRAPHICS MODE ERROR
SCREEN PAGING ERROR
LIGHT PEN ERROR
COLOR VIDEO ERROR
CRT