Mitsubishi FX3U-20SSC-H User Manual page 186

FX -20SSC-H Positioning Block User's Manual
3U
Error category
(decimal)
Parentheses ( ) in the error code column indicate the LED display on the servo amplifier.
Servo amplifier
180
Error
Code Error Content
→For details on how to check errors and actions, refer to the manual of the servo amplifier to be connected.
Main circuit device overheat
• Main circuit device overheat
2045
(45)
Servo motor overheat
• A servo motor temperature rise actuated the
2046 thermal sensor.
(46)
Cooling fan alarm
• The cooling fan of the servo amplifier
2047
stopped.
(47)
• The rotation speed of the fan fell below the alarm
level.
Overload 1
The load exceeded
characteristics of the servo amplifier.
2050
(50)
Overload 2
• A machine collision or other similar factor has
caused the max.
continuously for several seconds.
Servo motor
- Locked
- During rotation
2051
(51)
•
•
•
•
•
•
•
•
•
•
•
•
•
the overload protection
•
•
•
•
•
output current to flow
•
•
:1s or more
:2.5s or more
•
13.2 Check Error Code
Action
Replace the servo amplifier.
Review the drive method.
Review the environment so that the ambient
temperature is within the range 0 to 55°C.
Use within the specification range.
Review the environment so that the ambient
temperature is within the range 0 to 40°C.
Reduce the load.
Review the operation pattern.
Use a servo motor that provides larger output.
Replace the servo motor.
Replace the cooling fan of the servo amplifier.
Remove any debris
Replace the servo amplifier.
The servo amplifier is exceeding its continuous
output current rating.
- Reduce the load.
- Review the operation pattern.
- Use a servo motor that provides larger output.
Machine collision occurred.
- Review the operation pattern.
- Install limit switches.
Connect the servo motor correctly.
Servo system is unstable due to servo hunting
(jittering).
- Repeat acceleration/deceleration to execute
auto tuning.
- Change the auto tuning response setting
(servo parameter).
→Refer to subsection 11.2.1
- Set the auto tuning mode (servo parameter) to
OFF and manually adjust the the gain.
→Refer to subsection 11.2.1
Replace the servo motor.
Machine collision occurred.
- Review the operation pattern.
- Install limit switches.
Connect the servo motor correctly.
Hunting is occurring due to an unstable servo
system.
- Repeat acceleration/deceleration to execute
auto tuning.
- Change the auto tuning response setting
(servo parameter).
→Refer to subsection 11.2.1
- Set the auto tuning mode (servo parameter) to
OFF and manually adjust the gain.
→Refer to subsection 11.2.1
Replace the servo motor.
13 Diagnostics