YASKAWA NX100 - Page 133

8.3 Alarm Message List
8-29
1325 COMMUNICA-
TION ERROR
(ENCODER)
--- Communication error occurred
between the encoder and the servo
control circuit board due to:
- Misconnection of encoder
- Noise from external devices
- Incorrect motor type
- Defective servo control circuit
board or encoder
• Correct the encoder connection.
• Check for noise.
• Confirm the motor type.
If the error occurs again, replace the servo
control circuit board.
1326 DEFECTIVE
ENCODER
ABSOLUTE
DATA
--- An error occurred in the encoder
position detecting circuit.
• Turn the power OFF then back ON.
If the error occurs again, replace the motor of
the corresponding axis.
1327 ENCODER
OVER SPEED
--- The control power supply turned
ON while the encoder was rotating
(at more than 400min
-1
).
- The axis was in free-fall state.
- Defective encoder
• Stop the manipulator motion and then turn
ON the control power supply to check if the
error occurs.
If the error occurs, the encoder is defective.
Replace the motor for the axis.
1328 DEFECTIVE
SERIAL
ENCODER
--- Internal parameter error of the
serial encoder
• The encoder fault may be the
cause.
• Turn the power OFF then back ON.
If the error occurs again, replace the motor of
the corresponding axis.
1329 DEFECTIVE
SERIAL
ENCODER COM-
MAND
--- No response of encoder reset com-
pletion at the occurrence of
encoder backup error.
The encoder fault may be the
cause.
• Turn the power OFF then back ON.
If the error occurs again, replace the motor
(encoder) of the corresponding axis.
1330 MICRO PRO-
GRAM TRANS-
MIT ERROR
--- Defective servo control circuit
board (Occurred only when the
control power supply turned ON.)
• Turn the power OFF then back ON.
If the error occurs again, replace the servo
control circuit board.
1331 CONVERTER
CHARGE
ERR(CON-
VERTER)
--- Charge error is sent from the con-
verter.
• Turn the power OFF then back ON.
If the error occurs again, replace the con-
verter.
1332 POSITION
ERROR
--- The number of pulses generated by
one motor rotation does not agree
with the specified value due to:
- Noise from external devices
- Defective board
- Motor failure
• Check for the external noise.
• Provide noise protection such as installing a
ferrite core if required.
If the error occurs again, replace the servo
control circuit board, external axis servo con-
trol circuit board, and/or motor.
1333 POSITION
ERROR (SERIAL
ENCODER)
--- The number of pulses generated by
one motor rotation does not agree
with the specified value due to:
- Noise from external devices
- Defective board
- Motor failure
• Check for the external noise.
• Provide noise protection such as installing a
ferrite core if required.
If the error occurs again, replace the servo
control circuit board, external servo control
circuit board, and/or motor.
1335 INCOMPLETE
ENCODER
RESET
--- The encoder resetting did not com-
plete. No battery may be con-
nected.
• Connect a battery to the encoder.
If the error still occurs after having connected
a battery, the encoder fault may be the
cause.
1343
COMMUNICA-
TION ERROR
(CONVERTER)
No response from the converter.
∗01
Communications status error
(
∗: converter No.)
• Turn the power OFF then back ON after
cooling the power supply unit.
If the error occurs again, contact your
Yaskawa representative.
∗02
Command timeout
(
∗: converter No.)
∗03
Sent buffer FULL
(
∗: converter No.)
Alarm Message List
Alarm
Number
Message
Sub
Code
Cause Remedy