Mitsubishi Electric MELSERVO-J3W Series Instruction Manual page 329

13. USING A LINEAR SERVO MOTOR
Alarm No.8E
Alarm description
Display Name
8E.1 USB
communication
receive error
8E.2 USB
communication
checksum error
8E.3 USB
communication
character error
8E.4 USB
communication
command error
8E.5 USB
communication
data No. error
13.7.3 Remedies for warnings
When a warning whose stop method is all axis stop in the following table occurs, the servo amplifier goes into
the servo-off status and the servo motor stops at the warning occurrence. If any other warning occurs, operation
can be continued but an alarm may take place or proper operation may not be performed.
Remove the cause of warning according to this section. Use the MR Configurator to refer to a factor of warning
occurrence.
Alarm No.91
Alarm description
Display Name
91.1 Main circuit
device overheat
warning
91.2 Board
temperature
warning
Name: USB communication error
USB communication error occurs between the servo amplifier and a communication device (PC, etc.)
Cause
Same as for the rotary servo motor.
Refer to section 8.3.
POINT
When any of the following alarms has occurred, do not resume operation by
switching power of the servo amplifier OFF/ON repeatedly. The servo amplifier and
servo motor may become faulty. If the power of the servo amplifier is switched
OFF/ON during the alarms, allow more than 30 minutes for cooling before
resuming operation.
Main circuit device overheat warning (91. )
Excessive regenerative warning (E0. )
Overload warning 1 (E1. )
Name: Main circuit device overheat warning
The temperature inside of the servo amplifier exceeds the warning level.
Cause
Same as for the rotary servo motor.
Refer to section 8.4.
Stop method: All axes stop
Checkpoint
Stop method: Axes can operate (warning
Checkpoint
13 - 80
Finding Action
detected at both axes).
Finding Action