YASKAWA DX100 Maintenance Manual page 511

Alarm Alarm Name Sub
Number Code
4226 COMMUNICATION 1
SERVICE ERROR
100
101
102
103
105
Meaning Cause
Unit failure
YCP01 board failure (1)Turn the power OFF then back ON.
The communication channel could Setting error
not be opened/closed at OPEN/
CLOSE instruction execution.
The communication port is already Setting error
opened.
The communication port is not Setting error
opened.
No space was found in data sent Setting error
buffer.
The setting value for the event Setting error
queue designation parameter is
incorrect.
The type of output data is Setting error
incorrect.
Remedy
(1)Reset the alarm.
(2)If the alarm occurs again, replace the following unit.
·The motor
(2)If the alarm occurs again, replace the YCP01 board. Save the CMOS.BIN
before replace the board to be safe. Replace the YCP01 board, and then
insert the CF card which inserted original YCP01 board into the new YCP01
board.
(1)Check the following settings.
·Setting of the RS (transmission) parameter
(1)Check the following settings.
The serial port setting
(1)Check the following settings.
The serial port setting
(1)Check the following settings.
The serial port setting
(1)Check the following settings.
·RS157····Set to 1 to 4
(1)Check the following settings.
The serial port setting