Chapter 2 Troubleshooting For Mr-Cv_Power Regeneration Con; Verter Unit; Explanations Of The Lists - Mitsubishi Electric Melservo-J4 Instruction Manual

2
TROUBLESHOOTING FOR MR-CV_POWER
REGENERATION CONVERTER UNIT
When an error occurs during operation, the corresponding alarm or warning is displayed.
When an alarm occurs, ALM (Malfunction) will turn off. Refer to the following and take the appropriate action.
Page 140 Remedies for alarms
When a warning occurs, refer to the following and take the appropriate action.
Page 144 Remedies for warnings
2.1

Explanations of the lists

No./Name
Indicates each No./Name of alarms or warnings.
Alarm deactivation
After the cause of the alarm has been removed, the alarm can be deactivated by any of the methods marked  in the alarm
deactivation column. Warnings are automatically canceled after the cause of occurrence is removed. Alarms are deactivated
by alarm reset, CPU reset, or power cycling.
Alarm deactivation
Alarm reset
CPU reset
Cycling the power
*1 Deactivate an alarm in the servo-off status. Alarm deactivation in the servo-on status will trigger [AL. 1B Converter error].
*2 When it is not connected by a protection coordination cable, alarms cannot be deactivated by CPU reset.
2 TROUBLESHOOTING FOR MR-CV_POWER REGENERATION CONVERTER UNIT
138
2.1 Explanations of the lists
Explanation
1. Turn on RES (Reset) with an input device.
2. Input the servo-on command for the drive unit connected with the protection coordination cable.
*2
Resetting the controller itself.
Turning the power off and then turning it on again.
*1