Epson Y16499100301 User Manual

Table D-1 lists all the error codes and messages that may

appear during diagnostic checks.

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