Mitsubishi Electric MELSERVO-JE Instruction Manual page 23

1. SERVO AMPLIFIER TROUBLESHOOTING
Alarm No.: 19 Name: Memory error 3 (Flash-ROM)
Alarm content
Detail
Detail name
No.
19.1 Flash-ROM (1) The Flash-ROM is
error 1
(2) Something near the
19.2 Flash-ROM Check it with the check method for [AL. 19.1].
error 2
19.4 Flash-ROM
error 4
19.5 Flash-ROM
error 5
Alarm No.: 1A Name: Servo motor combination error
Alarm content
Detail
Detail name
No.
1A.1 Servo motor (1) The servo amplifier and
combination
error
(2) An encoder is
1A.4 Servo motor (1) The servo amplifier is
combination
error 2
Alarm No.: 1E Name: Encoder initial communication error 2
Alarm content
Detail
Detail name
No.
1E.1 Encoder (1) An encoder is
malfunction
(2) Something near the
A part (Flash-ROM) in the servo amplifier has a failure.
Cause
Disconnect the cables
malfunctioning. except for the power
supply, and then
check the
repeatability.
Check the noise,
device caused it. ambient temperature,
etc.
The combination of the servo amplifier and the servo motor is incorrect.
Cause
Check the model
the servo motor were name of the servo
connected incorrectly. motor and
corresponding servo
amplifier.
Replace the servo
malfunctioning. motor, and then check
the repeatability.
Replace the servo
malfunctioning. amplifier, and then
check the
repeatability.
An encoder is malfunctioning.
Cause
Replace the servo
malfunctioning. motor, and then check
the repeatability.
Check the noise,
device caused it. ambient temperature,
vibration, etc.
Check method Check result
It is repeatable.
It is not repeatable.
It has a failure.
Check method Check result
The combination is
incorrect.
The combination is
correct.
It is not repeatable.
It is not repeatable.
Check method Check result
It is not repeatable.
It is repeatable.
It has a failure.
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Action Target
Replace the servo [A]
amplifier. [B]
[C]
Check (2).
Take
countermeasures
against its cause.
Action Target
Use them in the [A]
correct combination. [B]
[C]
Check (2).
Replace the servo
motor.
Replace the servo
amplifier.
Action Target
Replace the servo [A]
motor. [B]
[C]
Check (2).
Take
countermeasures
against its cause.