MITSUBISHI ELECTRIC Merservo MR-J2S- B - Manual (Page 85)

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4. OPERATION AND DISPLAY
4.3 Servo amplifier display
On the servo amplifier display (two-digit, seven-segment display), check the status of communication with
the servo system controller at power-on, check the axis number, and diagnose a fault at occurrence of an
alarm.
(1) Display sequence
Servo amplifier power ON
Waiting for servo system controller
power to switch ON
Servo system controller power ON
When alarm occurs,
alarm code appears.
Ready ON
Ready OFF/servo OFF
Ready ON/servo OFF
Servo ON
Ordinary operation
Servo system controller power OFF
Ready ON/servo ON
(Note)
(Note)
(Note)
Servo system controller power ON
During forced stop and forced stop
Forced stop and forced stop
reset
or
Note. The right-hand segments of b1, c1 and d1
indicate the axis number.
(Axis 1 in this example)
Initial data communication
with servo system controller