YASKAWA SIGMA-7 Series User Manual

6.2 Warning Displays
6.2.2 Troubleshooting Warnings
6-44
A.95A:
Command Warning
1 (Unsatisfied Com-
mand Conditions)
The command
conditions are not
satisfied.
Check the command
that caused the warn-
ing.
Send the command after
the command conditions
are satisfied.
*
A.95b:
Command Warning
2 (Unsupported
Command)
An unsupported
command was
received.
Check the command
that caused the warn-
ing.
Do not send unsupported
commands.
*
A.95d:
Command Warning
4 (Command Inter-
ference)
The command
sending condi-
tions for latch-
related com-
mands was not
satisfied.
Check the command
that caused the warn-
ing.
Send the command after
the command conditions
are satisfied.
*
A.95E:
Command Warning
5 (Subcommand
Not Possible)
The command
sending condi-
tions for subcom-
mands was not
satisfied.
Check the command
that caused the warn-
ing.
Send the command after
the conditions are satisfied.
*
A.95F:
Command Warning
6 (Undefined Com-
mand)
An undefined
command was
sent.
Check the command
that caused the warn-
ing.
Do not send undefined
commands.
*
A.960:
MECHATROLINK
Communications
Warning
The MECHA-
TROLINK Com-
munications Cable
is not wired cor-
rectly.
Check the wiring condi-
tions.
Correct the MECHA-
TROLINK communications
cable wiring.
*
A MECHA-
TROLINK data
reception error
occurred due to
noise.
Confirm the installation
conditions.
Implement the following
countermeasures against
noise.
• Check the MECHA-
TROLINK Communica-
tions Cable and FG wiring
and implement counter-
measures to prevent noise
from entering.
• Attach a ferrite core to the
MECHATROLINK Com-
munications Cable.
–
A failure occurred
in the SERVO-
PACK.
–
The SERVOPACK may be
faulty. Replace the SERVO-
PACK.
–
A.971:
Undervoltage
For a 200-V
SERVOPACK, the
AC power supply
voltage dropped
below 140 V.
Measure the power
supply voltage.
Set the power supply volt-
age within the specified
range.
–
The power supply
voltage dropped
during operation.
Measure the power
supply voltage.
Increase the power supply
capacity.
–
A momentary
power interrup-
tion occurred.
Measure the power
supply voltage.
If you have changed the
setting of Pn509 (Momen-
tary Power Interruption Hold
Time), decrease the setting.
*
The SERVOPACK
fuse is blown out.
–
Replace the SERVOPACK
and connect a reactor.
*
A failure occurred
in the SERVO-
PACK.
–
The SERVOPACK may be
faulty. Replace the SERVO-
PACK.
–
Continued on next page.
Continued from previous page.
Warning Number:
Warning 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