8Alarm
DX100 8.3 Alarm Message List
8-6
Alarm
Number
Alarm Name Sub
Code
Meaning Cause Remedy
0020 CPU
COMMUNICATION
ERROR
1 No response was sent from the
YCP01 board when the control
power turned ON.
Software operation
error occurred
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence status
(operating procedure).
Connection failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, check the connection and insertion of the
following connectors.
· The PCI connector of YCP01 board
· The PCI connector of the YIF01 board
YCP01 board failure (1)Turn the power OFF then back ON.
(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
remove
the CF from the failure YCP01 board to insert it into the new YCP01 board.
YIF board failure (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.
20 No response was sent from the
optional board #1 when the control
power turned ON.
Setting error (1)Check the following settings.
· Optional board setting in maintenance mode
Connection failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, check the connection and insertion of the
following connector.
· The PCI connector of YCP02 board
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