Transition Of Led Display After Power Is Turned On - Mitsubishi Electric MELDAS MDS-R Series Technical Specification And Instruction Manual

8-1-2 Transition of LED display after power is turned ON

When NC, each drive unit and the power supply unit power have been turned ON, each unit will
automatically execute self-diagnosis and initial settings for operation, etc. The LEDs on the front of the
units will change as shown below according to the progression of these processes.
If an alarm occurs, the alarm No. will appear on the LEDs. Refer to "Chapter 10 Troubleshooting" for
details on the alarm displays.
Waiting for NC
power start up
8. Setup
Drive units
LED display
Servo drive unit initialization complete
Waiting for NC power start up
NC power ON
NC power ON
Emergency stop state
The LED will alternate between
F# → E7 → not lit.
(# is the set axis No.)
Servo ON state
NC power OFF
8 - 3
Executing initial
communication with NC
Servo OFF sate
Repeats lighting and going out.
(1st axis in the display example)