Troubleshooting For Servo Amplifier (Drive Unit); Explanation For The Lists - Mitsubishi Electric MELSERVO-J4 Instruction Manual

General-purpose ac servo amplifier
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1. TROUBLESHOOTING FOR SERVO AMPLIFIER (DRIVE UNIT)

1. TROUBLESHOOTING FOR SERVO AMPLIFIER (DRIVE UNIT)
When an error occurs during operation, the corresponding alarm or warning is displayed. When an alarm is
displayed, refer to section 1.4 and take the appropriate action. When an alarm occurs, ALM will turn off.
When an warning is displayed, refer to section 1.5 and take the appropriate action.

1.1 Explanation for the lists

(1) No./Name/Detail No./Detail name
Indicates each No./Name/Detail No./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 in which "DB" or
"EDB" is written 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
alarm deactivation column. Warnings are automatically canceled after the cause of occurrence is
removed. Alarms are deactivated with alarm reset, CPU reset, or cycling the power.
(a) MR-J4-_A_(-RJ)/MR-J4-DU_A_(-RJ)
Alarm deactivation
Alarm reset
Cycling the power
(b) MR-J4-_B_(-RJ010)/MR-J4W_-_B/MR-J4-DU_B_(-RJ)/MR-J4-_GF_(-RJ)
Alarm deactivation
Alarm reset
CPU reset
Cycling the power
(4) Processing system (only for MR-J4W_-_B_)
Processing system of alarms is as follows.
Each axis: Alarm is detected for each axis.
Common: Alarm is detected as the whole servo amplifier.
POINT
As soon as an alarm occurs, turn SON (Servo-on) off and interrupt the power.
[AL. 37 Parameter error] and warnings (except [AL. F0 Tough drive warning])
are not recorded in the alarm history.
[AL. 8D.1 CC-Link IE communication error 1] and [AL. 8D.2 CC-Link IE
communication error 2] are not recorded in the alarm history. For MR-J4-_GF_(-
RJ), these alarms are recorded by setting [Pr. PN06] to "_ _ _ 1".
1. Turning on RES (Reset) with input device
2. Pushing the "SET" button while the display of the servo amplifier is the current
alarm display status
3. Click "Occurring Alarm Reset" in the "Alarm Display" window of MR Configurator2
Turning the power off and then turning it on again.
1. Reset command from controller
2. Click "Occurring Alarm Reset" in the "Alarm Display" window of MR Configurator2
Resetting the controller itself
Turning the power off and then turning it on again.
Explanation
Explanation
1 - 1
in the

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