YASKAWA SIGMA-7 Series User Manual

6.1 Alarm Displays
6.1.2 Troubleshooting Alarms
6
Maintenance
6-31
A.E02:
MECHATROLINK
Internal Synchro-
nization Error 1
The MECHATROLINK
transmission cycle
fluctuated.
–
Remove the cause of
transmission cycle fluctu-
ation at the host control-
ler.
–
A failure occurred in
the SERVOPACK.
–
Turn the power supply to
the SERVOPACK OFF and
ON again. If the alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
–
A.E40:
MECHATROLINK
Transmission
Cycle Setting
Error
The setting of
MECHATROLINK
transmission cycle is
outside of the speci-
fied range.
Check the setting of the
MECHATROLINK trans-
mission cycle.
Set the MECHATROLINK
transmission cycle to an
appropriate value.
–
A.E41:
MECHATROLINK
Communications
Data Size Setting
Error
The number of trans-
mission bytes set on
DIP switch S3 is not
correct.
Check the MECHA-
TROLINK communica-
tions data size of the
host controller.
Reset DIP switch S3 to
change the number of
transmission bytes to an
appropriate value.
*1
A.E42:
MECHATROLINK
Station Address
Setting Error
The station address is
outside of the setting
range.
Check rotary switches
S1 and S2 to see if the
station address is
between 03 and EF.
Check the setting of the
station address of the
host controller, and reset
rotary switches S1 and S2
to change the address to
an appropriate value
between 03 and EF.
*1
Two or more stations
on the communica-
tions network have
the same address.
Check to see if two or
more stations on the
communications net-
work have the same
address.
Check the setting of the
station address of the
host controller, and reset
rotary switches S1 and S2
to change the address to
an appropriate value
between 03 and EF.
A.E50
*5
:
MECHATROLINK
Synchronization
Error
The WDT data in the
host controller was
not updated normally.
Check to see if the WDT
data is being updated at
the host controller.
Correctly update the WDT
data at the host controller.
–
A failure occurred in
the SERVOPACK.
–
Turn the power supply to
the SERVOPACK OFF and
ON again. If the alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
–
A.E51:
MECHATROLINK
Synchronization
Failed
The WDT data at the
host controller was
not updated correctly
at the start of syn-
chronous communi-
cations, so
synchronous commu-
nications could not be
started.
Check to see if the WDT
data is being updated in
the host controller.
Correctly update the WDT
data at the host controller.
–
A failure occurred in
the SERVOPACK.
–
Turn the power supply to
the SERVOPACK OFF and
ON again. If the alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
–
Continued on next page.
Continued from previous page.
Alarm Number:
Alarm Name
Possible Cause Confirmation Correction Reference

YASKAWA SIGMA-7 Series Specifications

General

Encoder Resolution	24-bit absolute encoder
Pollution Degree	2
Cooling Method	Natural cooling or forced air cooling
Control Method	Vector control
Communication Protocols	EtherCAT, MECHATROLINK-III
Input Voltage	AC 200 V, AC 400 V
Rated Output	Varies by model
Safety Function	STO (Safe Torque Off), SS1 (Safe Stop 1), SS2 (Safe Stop 2), SLS (Safely Limited Speed), SBC (Safe Brake Control)
Power Supply Voltage	AC 200 V, AC 400 V
Rated Output Current	Varies by model
Protection Functions	Overload, overvoltage, undervoltage, overheat, short circuit
Operating Temperature	0°C to 55°C
Storage Temperature	-20°C to 65°C
Vibration Resistance	5.9 m/s² at 10 Hz to 55 Hz
Ambient Humidity	5% to 95% RH (non-condensing)
Altitude	Up to 1000 m
Installation	Panel mounted