YASKAWA NX100 - Page 139

8.3 Alarm Message List
8-35
1566 ENCODER
ECHO BACK
ERROR
(SERVO2)
--- Communication with the encoder is
incorrect.
• Turn the power OFF then back ON.
• Correct the encoder connection.
• Check for noise.
• Check for FG.
• Replace the motor and SERVOPACK.
1567 ENCODER
MULTI-RETURN
LIMIT UNMATCH
(SERVO2)
--- The multi-turn limit value is different
between the encorder and the
SERVOPACK.
• Turn the power OFF then back ON.
• Replace the SERVOPACK.
1568 NO OPTION
(SERVO2)
--- A COMl error occurred in the SER-
VOPACK.
• Turn the power OFF then back ON.
• Replace the SERVOPACK.
1571 COMMUNICA-
TION WATCH
DOG ERROR
(SERVO2)
--- WDT data updates is incorrect. • Turn the power OFF then back ON.
• Replace the SERVOPACK.
1572 COMMUNICA-
TION ERROR
(SERVO2)
--- The MECHATROLINK communica-
tion error occurred.
• Turn the power OFF then back ON.
• Check the wiring around the MECHA-
TROLINK communication cable.
• Take some action against noises from the
MECHATROLINK communication cable.
• Replace the SERVOPACK.
1573 SERVO PACK
FAILURE
(SERVO2)
--- A failure of the SERVOPACK. • Turn the power OFF then back ON.
• Replace the SERVOPACK.
1576 COMMAND EXE-
CUTE NOT
READY
(SERVO2)
--- A error occurred in the SERVO-
PACK.
• Turn the power OFF then back ON.
• Replace the SERVOPACK.
1578 MOTOR LINE
DISCONNEC-
TION ALARM
(SERVO2)
--- The motor power line disconnection
may be the cause.
• Turn the power OFF then back ON.
• Check for motor power line.
• Replace the motor and SERVOPACK.
1579 MOTOR LINE
DISCONNEC-
TION ALARM
(SERVO2)
--- The motor power line disconnected
may be the cause.
• Turn the power OFF then back ON.
• Check for motor power line.
• Replace the motor and SERVOPACK.
1582 CURRENT
DETECTOR
ERROR
(SERVO2)
--- The motor power cable is discon-
nected. Or the current detector of
the SERVOPACK error.
• Turn the power OFF then back ON.
• Check for motor power line.
• Replace the motor and SERVOPACK.
1583 PHASE DETEC-
TION ERROR
(SERVO2)
--- The encoder's A, B, C phase output
phases are incorrect.
• Turn the power OFF then back ON.
• Correct the encoder connection.
• Check for noise.
• Replace the motor and SERVOPACK.
1585 MOTOR LOAD
POSITION
ERROR(SV2)
--- The motor load position deviation
exceeded the limit.
• Turn the power OFF then back ON.
• Check the connection of mechanical combi-
nation.
1590 MC POWER
SUPPLY WIR-
ING ERR(SV2)
--- The method of the power supply to
a main circuit is incorrect.
• Turn the power OFF then back ON.
• Check the connection of power supply of
AC/DC.
• Check the regenerative resistor.
• Replace the SERVOPACK.
1592
MONITOR PLD
ERROR 1
(SERVO I/O)
--- External WDT failure was detected
in TU.
• Turn the power OFF then back ON.
If the error occurs again, replace the TU cir-
cuit board.
1593 MONITOR PLD
ERROR 2
(SERVO I/O)
---
External WDT timeout was detected
in TU.
• Turn the power OFF then back ON.
If the error occurs again, replace the TU cir-
cuit board.
Alarm Message List
Alarm
Number
Message
Sub
Code
Cause Remedy