YASKAWA DX200 Maintenance Manual page 1124

Alarm Name
Alarm Sub
Number
Code
4800 WDT ERROR
(CONVERTER)
4822 HARD WIRE BASE
BLOCK ERROR
Meaning Cause
other
Sub Code: Signifies the Connection failure
physical No. of converter in
which the alarm occurred
Module failure (converter)
EAXA21 board failure
other
Sub Code: Signifies the Connection failure
control axis number which
detected an error
Fuse failure
EAXA21 board failure
EAXB21 board failure
Remedy
If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
(1)Reset the alarm.
(2)If the alarm occurs again, check the connection and inserting state
of the following cables and connectors.
∙
EAXA21-CN507,510
∙
EAXB21-CN531,532,533
∙
Converter CN551,553
∙
EX1SV (External axis SERVO PACK)-CN591,592
(1)Reset the alarm.
(2)If the alarm occurs again, replace the converter.
(1)Reset the alarm.
(2)If the alarm occurs again, replace the EAXA21 board. Save the
CMOS.BIN before replacing the board to be safe.
If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
(1)Reset the alarm.
(2)If the alarm occurs again, check the connection and inserting state
of the following cables and connectors.
∙
EAXA21 board CN521(Safety function's jumper connector)
∙
EAXB21 board CN522/523/524(Safety function's jumper connector)
∙
YSF22 board CN217
(1)Reset the alarm.
(2)If the alarm occurs again, check the connection of the fuse of
YSF22 board and then turn the power ON again.
(1)Reset the alarm.
(2)If the alarm occurs again, replace the EAXA21 board. Save the
CMOS.BIN before replacing the board to be safe.
(1)Reset the alarm.
(2)If the alarm occurs again, replace the EAXB21 board. Save the
CMOS.BIN before replacing the board to be safe.