YASKAWA DX100 Maintenance Manual page 204

Alarm Alarm Name Sub
Number Code
0420 DEVICENET 1
ALLOC FL
TRANSMIT ERR
Meaning Cause
Connection failure
EAXA board failure
YIF board failure
The DeviceNet allocation file1 Setting error
could not be transmitted to the
specified station.
Board failure
(XFB01B)
Remedy
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, check the connection and insertion of the
following cables and connectors.
· The cable of EAXA board CN509
· The cable of EAXA board connector CN515/516
· The PCI connector of the YIF01 board
· The cable of YIF board connector CN113
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the EAXA board. Save the CMOS.BIN
before replace the board to be safe.
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YIF01 board. Save the CMOS.BIN
before replace the board to be safe. Replace the YIF01 board, and then load
the CMOS.BIN saved before alarm occurred.
(1)Check the following settings.
[XFB01 board]
· The settings of the objective DeviceNet allocation file
· The I/O module settings of the objective DeviceNet board in maintenance
mode
· The DeviceNet allocation of the I/O module in maintenance mode
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the following board. Save the
CMOS.BIN before replace the board to be safe.
· XFB01B board