Alar
m List
Alar
m Nu
mbe
r (1
00
0 to
1
9
99
)
Alarm List-337
1420
SYSTEM
ERROR(BENDING)
Sub Code: 1-221
It is the kind of sensor process
error of Bending function.
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).
1421
ENCODER
ERROR(LNR SCALE)
Sub code: Linear scale port
number
Linear scale or the
connection failure
(1)Check the linear scale value and the connection.
other
If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
1422
CANNOT CHANGE
ENCODER INPUT
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).
1437
PORT OPEN ERROR
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).
1500
SAFETY CIRCUIT
FAULT(SERVO I/O)
Circuit board failure
(YPU unit)
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YPU unit. Save the
CMOS.BIN before replace the board to be safe.
other
If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
1501
SVMX RELAY
STICKING(SERVO I/
O)
Circuit board failure
(YPU unit)
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YPU unit. Save the
CMOS.BIN before replace the board to be safe.
other
If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
1502
CONTACTOR
STICKING
(SERVO I/O)
Circuit board failure
(YPU unit)
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YPU unit. Save the
CMOS.BIN before replace the board to be safe.
Alarm
Number
Alarm Name
Sub
Code
Meaning
Cause
Remedy
