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4. STARTUP
4 - 9
(2) Indication list
POINT
Refer to section 1.6 of "MELSERVO-JE Servo Amplifier Instruction Manual
(Troubleshooting)" for troubleshooting at startup.
Indication Status Description
Initializing System check in progress
A b
Initializing
The servo amplifier power was switched on when the servo system controller
power was off.
The control axis No. set to the axis selection rotary switch (SW1) does not match
the one set to the servo system controller.
A servo amplifier malfunctioned, or communication error occurred with the servo
system controller or the previous axis servo amplifier. In this case, the indication
changes as follows:
"Ab", "AC", "Ad", and "Ab"
The servo system controller is malfunctioning.
A b .
Initializing During an initial setting for communication specifications
A C
Initializing
An initial setting for communication specifications is completed, and then it
synchronized with the servo system controller.
A d
Initializing During initial parameter setting communication with the servo system controller
A E
Initializing
During the servo motor and encoder information and telecommunication with the
servo system controller
A F
Initializing During initial signal data communication with the servo system controller
A H
Initializing completion
The process for initial data communication with the servo system controller is
completed.
A A
Initializing standby
The power supply of the servo system controller or previous axis servo amplifier was
turned off while the power supply of the servo amplifier is on.
(Note 1)
b ##
Ready-off The ready-off command from the servo system controller was received.
(Note 1)
d
##
Servo-on The servo-on command from the servo system controller was received.
(Note 1)
C
##
Servo-off The servo-off command from the servo system controller was received.
(Note 2)
* **
Alarm and warning
The alarm No. and the warning No. that occurred are displayed. (Refer to chapter 8.
(Note 4))
8 88
CPU error A CPU watchdog error has occurred.
(Note 1)
b ##.
(Note 3)
Test operation mode
Motor-less operation
d ##.
C ##.
Note 1. The meanings of ## are listed below.
## Description
01 First axis
16 Sixteenth axis
2. "***" indicates the alarm No. and the warning No.
3. Requires the MR Configurator2.
4. Only a list of alarms and warnings is listed in chapter 8. Refer to "MELSERVO-JE Servo Amplifier Instruction Manual
(Troubleshooting)" for details of alarms and warnings.