PY Manual
Copyright © 2006 SANYO DENKI
AMERICA
, Inc.
120
Overload
Symbol
7-Segment Display
Alarm code
CN1- [46,45,44,43]
OL
2
0010
Operating Condition
Cause
Corrective Action
Alarm occurs when the
control power supply is
turned ON
•
Faulty PC board
•
Replace servo
amplifier
•
The motor is operating
over the rated torque
•
Review the load
requirements and the
motor specifications
Alarm occurs while the
motor is in operation
•
The holding brake is
not released
•
Release the brake
•
Incorrect wiring of the
motor power circuit
•
Intermittent failure in
motor power circuit
•
Correct the wiring
The motor turns but has
very little torque or the
Alarm occurs after the
motor is operated for a
while
•
Improper combination
of motor and amplifier
•
Use the Remote
Operator to check and
set parameter MOT.
•
Faulty PC board
•
Replace the servo
amplifier
Load conditions have been
verified to be under rated
conditions and the alarm
occurs
•
Faulty motor encoder
•
Replace servo motor
Amplifier Overheating
Symbol
7-Segment Display
Alarm code
CN-1 [46,45,44,43]
AOH
3
0011
Operating Condition
Cause
Corrective Action
Alarm occurs when the
control power supply is
turned ON
•
Faulty temperature
sensor on PC board
•
Replace servo
amplifier
Alarm occurs while the
motor is in operation
•
The ambient
temperature of the
servo amplifier is
greater than 55C
•
Take measures to
lower the ambient
temperature
•
Excess heat generated
due to an amplifier
failure
•
Replace servo
amplifier
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