Epson Y16499100301 - Manual (Page 128)

Error Codes and Messages
Table D-1 lists all the error codes and messages that may
appear during diagnostic checks.
Table D-1. Error codes and messages
Error code Message
System board
101 V30 CPU ERROR
103 8254 TIMER COUNTER REGISTER ERROR
104 8254 TIMER COUNTER ERROR
105 8237 DMA CONTROLLER REGISTER ERROR
105 8237 DMA REFRESH ERROR
108 8048 SELF DIAGNOSTIC ERROR
109 8259 INTERRUPT CONTROLLER ERROR
111 146818 CMOS BATTERY ERROR
112 146818 CMOS CHECKSUM ERROR
113 V30 INSTRUCTION ERROR
Memory
201
MEMORY/PARITY ERROR
Keyboard
301 8048 ERROR
302 KEYBOARD IS DEFECTIVE
Video adapter
and display
501 V-RAM ERROR
503 ATTRIBUTE ERROR
504 CHARACTER SET ERROR
505 40-COLUMN CHARACTER SET ERROR
506 320 x 200 GRAPHICS MODE ERROR
507 640 x 200 GRAPHICS MODE ERROR
508 SCREEN PAGING ERROR
510 COLOR VIDEO ERROR
Floppy disk drives
and controller
601
FLOPPY DISK CONTROLLER ERROR
602 SEQUENTIAL SEEK ERROR
603 RANDOM SEEK ERROR
604 WRITE ERROR
605 READ ERROR
Parallel port
901 ERROR PIN p
Serial port
ERROR DTR DSR, DSR ALWAYS HIGH/LOW
1101 ERROR RTS CTS, CTS ALWAYS HIGH/LOW
1102 TIME OUT ERROR
1103 VERIFY ERROR
D-24
Performing System Diagnostics