Remedies For Warnings - Mitsubishi Electric MELSERVO-J4 Instruction Manual

3. TROUBLESHOOTING FOR MR-CR55K(4) RESISTANCE REGENERATION CONVERTER UNIT

3.4 Remedies for warnings

If [AL. E6] occurs, the amplifier will be the servo-off status. If any other warning occurs, operation can be
continued but an alarm may take place and proper operation may not be performed.
Remove the cause of warning according to this section.
POINT
When any of the following warnings has occurred, do not cycle the power of the
resistance regeneration converter unit repeatedly to restart. Doing so will cause
a malfunction of the resistance regeneration converter unit, drive unit and servo
motor. If the power of the resistance regeneration converter unit/drive unit is
switched off/on during the warnings, allow more than 30 minutes for cooling
before resuming operation.
[AL. 91 Converter overheat warning]
[AL. E0 Excessive regeneration warning]
[AL. E1 Overload warning 1]
The warnings are not recorded in the alarm history.
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