8.3 Alarm/Warning Display and Troubleshooting
149
8.3.2 Warning Display and Troubleshooting
Warn-
ing Dis-
play
Warning
Name
Situation at Warn-
ing Occurrence
Cause
Corrective Actions
A.910
Overload
Warning
before the
overload
alarm A.710
or A.720
occurs)
Occurred when
the servo was
turned ON.
The servomotor wiring is
incorrect or connection is
faulty.
Correct the servomotor main
circuit cable wiring.
The encoder wiring is incor-
rect or connection is faulty.
Correct the encoder wiring.
The SERVOPACK is faulty.
• Replace the SERVOPACK.
• Contact your Omron Yaskawa
representative.
The servomotor
did not run with a
reference input.
The servomotor wiring is
incorrect or connection is
faulty.
Correct the servomotor main
circuit cable wiring.
The encoder wiring is incor-
rect or connection is faulty.
Correct the encoder wiring.
The starting torque exceeds
the maximum torque.
Reconsider the load and opera-
tion conditions.
The SERVOPACK is faulty.
• Replace the SERVOPACK.
• Contact your Omron Yaskawa
representative.
Occurred while
the servomotor
was running.
The effective torque largely
exceeds the rated torque.
Reconsider the load and opera-
tion conditions.
The temperature in the
SERVOPACK panel is too
high.
Correct the installation condi-
tions so that the ambient tem-
perature aroung the
SERVOPACK is kept to 55
°
C
max.
The SERVOPACK is faulty.
• Replace the SERVOPACK.
• Contact your Omron Yaskawa
representative.
A.94A
MECHA-
TROLINK-
II
Data Setting
Warning 1
Occurred when
PRM_RD,
PRM_WR,
PPRM_WR, or
ADJ command
was sent.
The parameter numbers or
addresses that cannot be
used for the command data
was set.
Set the correct parameter num-
bers and addresses.
A.94b
MECHA-
TROLINK-
II
Data Setting
Warning 2
Occurred when a
command was
sent.
A value outside of the set-
ting range was set in the
command data.
Set a value within the setting
range.
A.94d
MECHA-
TROLINK-
II
Data Setting
Warning 4
Occurred when
ID_RD, PRM_RD,
PRM_WR,
PPRM_WR, or
ADJ command
was sent.
The data size that was set in
the command data is incor-
rect.
Set a value with a correct data
size.
TOEP_C710806_03A_1_0.book Seite 149 Montag, 2. Juli 2007 3:55 15
