Operation; Start-Up; Troubleshooting - Mitsubishi Electric MELSERVO-J4 Series Specification Manual

Start-up

3

Operation

3.1 Start-up
● Amplifier parameter setting
– Open the software tool provided by Mitsubishi Electric
– Type in the particular motor constant in the software tool. The motor constant should be provided
by the motor manufacturer.
– Download the parameters to the servo amplifier from the tool. Don't forget to make a power reset
of the amplifier to make the setting valid.
● Connect all cables
– Power ON and check if everything is all right.
– Check if either the Yellow (Hiperface) or the Green (Endat) LED is ON, corresponding to the encoder
communication.
– Move the motor by hand or JOG, to check if the encoder data is correct.
3.2

Troubleshooting

● When red LED 1 (CPU error) is on
– MR-ENCOM malfunction
● When red LED 2 (Communication error) is on
– Encoder malfunction
– MR-ENCOM malfunction
– Amplifier malfunction
– Cable malfunction
● When Hiperface/Endat LED is NOT on, even user connect the encoder
– Encoder malfunction
– MR-ENCOM malfunction
– Cable malfunction
● When servo amplifier alarm is there
– The corresponding alarm or warning is displayed on the amplifer
– Refer to "MELSERVO-J4 Servo Amplifier Instruction Manual (Troubleshooting)" for details of
alarms and warnings
– Start MR Configurator2 and connect to the ampifier via USB to get detailed alarm information
● When communication is OK, but servo motor doesn't run smoothly
– Servo amplifier parameter setting (motor constant, gain)may be wrong
– Noise
Mitsubishi Electric Europe B.V. Dec. 2013
Operation
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