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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.