Mitsumi electronic mr-j3-b ユーザーズマニュアル

8. TROUBLESHOOTING 

8 -  1 

 

8. TROUBLESHOOTING 

POINT 

 

Refer to "MELSERVO-JE Servo Amplifier Instruction Manual (Troubleshooting)" 
for details of alarms and warnings. 
As soon as an alarm occurs, make the Servo-off status and interrupt the power.
[AL. 37 Parameter error] and warnings (except [AL. F0 Tough drive warning]) 
are not recorded in the alarm history. 

 
When an error occurs during operation, the corresponding alarm or warning is displayed. When the alarm 
occurs, refer to "MELSERVO-JE Servo Amplifier Instruction Manual (Troubleshooting)" to remove the failure. 
When an alarm occurs, ALM (Malfunction) will turn off. 
 
8.1 Explanation for the lists 

(1)  No./Name/Detail number/Detail name 

Indicates the number, name, detail number, detail name of alarms or warnings. 

 
(2) Stop method 

For the alarms and warnings in which "SD" is written in the stop method column, the servo motor stops 
with the dynamic brake after forced stop deceleration. For the alarms and warnings written "DB" or 
"EDB" in the stop method column, the servo motor stops with the dynamic brake without forced stop 
deceleration. 

 
(3) Alarm deactivation 

After its cause has been removed, the alarm can be deactivated in any of the methods marked ○ in the 
alarm deactivation column. Warnings are automatically canceled after the cause of occurrence is 
removed. Alarms are deactivated with alarm reset, CPU reset, or power cycling. 

 

Alarm deactivation 

Explanation 

Alarm reset 

1. Error reset command from the controller 
2. Push the "Occurring Alarm Reset" button in the "Alarm Display" window of MR 

Configurator2. 

CPU reset 

Reset the controller itself. 

Power cycling 

Turn off the power, check that the 3-digit, 7-segment LED display is off, and then 
turn on the power.