YASKAWA E-V Series User Manual page 273

8 Troubleshooting
8.2.2 Troubleshooting of Warnings
Warning
Number:
Warning Name
(Warning
Description)
A.95D
Command
Warning 4
(Command Inter-
ference)
A.95E
Command
Warning 5
(Subcommand
Disable)
A.95F
Command
Warning 6
(Undefined Com-
mand)
A.960
MECHATROLINK
Communications
Warning
A.9A0:
Overtravel
(Overtravel status
is detected.)
8-18
Cause
Refer to 8.3 Monitoring Communica-
Command sending con-
tion Data on Occurrence of an Alarm
dition for latch-related
or Warning to determine which
commands is not satis-
command was the cause of the
fied.
warning.
Refer to 8.3 Monitoring Communica-
Subcommand sending tion Data on Occurrence of an Alarm
condition is not satis- or Warning to determine which
fied. command was the cause of the
warning.
Refer to 8.3 Monitoring Communica-
tion Data on Occurrence of an Alarm
Undefined command
or Warning to determine which
was sent.
command was the cause of the
warning.
MECHATROLINK
Confirm the wiring.
wiring is incorrect.
MECHATROLINK
data reception error
Confirm the installation conditions.
occurred due to noise
interference.
A SERVOPACK fault
–
occurred.
When the servomotor Check the input signal monitor
power is ON, over- (Un005) to check the status of the
travel status is detected. overtravel signals.
Investigative Actions
(cont'd)
Corrective Actions
Send a command after command
sending condition is satisfied.
Send a command after command
sending condition is satisfied.
Do not use an undefined command.
Correct the MECHATROLINK wir-
ing.
Or, connect a terminal to the terminal
station.
Take measures against noise. Check
the MECHATROLINK communica-
tions cable and FG wiring and take
measures such as adding ferrite core
on the MECHATROLINK communi-
cations cable.
A fault occurred in the SERVOPACK.
Replace the SERVOPACK.
Refer to 8.4 Troubleshooting Malfunc-
tion Based on Operation and Condi-
tions of the Servomotor. Even if
overtravel signals were not shown by
the input signal monitor (Un005),
momentary overtravel may have been
detected. Take the following precau-
tions.
• Do not specify movements that
would cause overtravel from the
host controller.
• Check the wiring of the overtravel
signals.
• Take countermeasures for noise.