Epson Y16499100301 - Manual (Page 129)

Error code Message
Alternate serial
port
1201 ERROR DTR DSR, DSR ALWAYS HIGH/LOW
1201 ERROR RTS CTS, CTS ALWAYS HIGH/LOW
1202 TIME OUT ERROR
1203 VERIFY ERROR
Dot-matrix printer
1401 status: error-type
Hard disk drive
and controller
1701-A hard disk controller error (RAM)
1701-B hard disk controller error (interrupt)
1701-C drive not ready
1701-D track 0 error
1701-E hard disk controller error
Performing System Diagnostics
D-25