Alarm List
Alarm Number (4000 to 4999)
Alarm List-494
other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
5 Sub Code 1to 8: Signifies the
EAXA/EAXB board No. in
which the alarm occurred
Incorrect setting (1)Check the following settings.
∙ Turn ON the circuit protector.
Short circuit or ground
fault
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again even after turning ON the circuit protector,
check encoder power line if there is a ground fault or short circuit.
Unit failure Replace the motor or encoder to which the power is supplied.
Parts failure Replace the circuit protector.
other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
6 Sub Code 1to 8: Signifies the
EAXA/EAXB board No. in
which the alarm occurred
Incorrect setting (1)Check the following settings.
∙ Turn ON the circuit protector.
Short circuit or ground
fault
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again even after turning ON the circuit protector,
check encoder power line if there is a ground fault or short circuit.
Unit failure Replace the motor or encoder to which the power is supplied.
Parts failure Replace the circuit protector.
other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
7 Sub Code 1to 8: Signifies the
EAXA/EAXB board No. in
which the alarm occurred
Incorrect setting (1)Check the following settings.
∙ Turn ON the circuit protector.
Short circuit or ground
fault
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again even after turning ON the circuit protector,
check encoder power line if there is a ground fault or short circuit.
Unit failure Replace the motor or encoder to which the power is supplied.
Alarm
Number
Alarm Name
Sub
Code
Meaning Cause Remedy
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