YASKAWA DX100 Maintenance Manual page 131

Alarm Alarm Name Sub
Number Code
54
Meaning Cause
Connection failure
EAXA board failure
YIF board failure
The communications CPU for the Setting error
servo board #5 detected an error
when the control power turned ON.
Connection failure
EAXA board failure
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.
· Control group settings in maintenance mode
· The EAXA board rotary switch setting (4) of the corresponding node
number (SV#5)
(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.