10 Maintenance, Inspections, and Troubleshooting
10.3.2 Troubleshooting of Warnings
10-18
A.960
MECHATROLINK
Communications
Warning
MECHATROLINK
wiring is incorrect.
Confirm the wiring.
Correct the MECHATROLINK wir-
ing.
MECHATROLINK
data reception error
occurred due to noise
interference.
Confirm the installation conditions.
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.97A
Command
Warning 7
(Phase Error)
A command that cannot
be executed in the cur-
rent phase was sent.
–
Send a command after command
sending condition is satisfied.
A.97B
Data Clamp
(Out Of Range)
The set command data
was clamped to a mini-
mum or maximum
value out of the allow-
able setting range.
–
Set the value of the command data
within the allowable range.
A.9A0:
Overtravel
(Overtravel status
is detected.)
When the servomotor
power is ON, over-
travel status is detected.
Check the input signal monitor to
check the status of the overtravel sig-
nals.
Refer to
10.4 Troubleshooting Mal-
function Based on Operation and
Conditions of the Servomotor
. Even if
overtravel signals were not shown by
the input signal monitor, momentary
overtravel may have been detected.
Take the following precautions.
• Do not specify movements that
would cause overtravel from the
host controller.
• Check the wiring of the overtravel
signals.
• Take countermeasures for noise.
(cont’d)
Warning
Number:
Warning Name
(Warning
Description)
Cause
Investigative Actions
Corrective Actions
