Epson 3865X Plus Error Codes and Messages

Error Codes and Messages

The following table lists all the error codes and messages that may appear during system diagnostics testing.

System diagnostics error codes and messages

Error code	Message
System board
101	CPU ERROR
102	ROM CHECKSUM ERROR
103	TIMER COUNTER REGISTER ERROR
104	TIMER COUNTER ERROR
105	DMA CONTROLLER REGISTER ERROR
105	REFRESH ERROR
106	DMA PAGE REGISTER ERROR
107	KEYBOARD CONTROLLER TIMEOUT ERROR
108	KEYBOARD CONTROLLER SELF DIAGNOSTIC
108	ERROR
	KEYBOARD CONTROLLER WRITE COMMAND
109	ERROR
	INTERRUPT CONTROLLER ERROR
110	CMOS SHUTDOWN BYTE ERROR
111	CMOS BATTERY ERROR
112	CMOS CHECKSUM ERROR
113	INSTRUCTION ERROR
114	PROTECT MODE ERROR 1
115	PROTECT MODE ERROR 2
Memory
201	MEMORY/PARITY ERROR
Keyboard
301	8042 ERROR

301KEYBOARD ERROR

302KEYBOARD IS NON-STANDARD, OR KEYBOARD IS DEFECTIVE

E-12Performing System Diagnostics