Mitsubishi Electric MELSERVO-JE MR-JE-70A Instruction Manual page 231

8. TROUBLESHOOTING
Alarm No.: 17 Name: Board error
Alarm content
Display Detail name
17.1 Board error 1 (1) A current detection
(2) Something near the
17.3 Board error 2 Check it with the check method for [AL. 17.1].
17.4 Board error 3 (1)
(2) Something near the
Alarm No.: 19 Name: Memory error 3 (FLASH-ROM)
Alarm content
Display Detail name
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
Alarm No.: 1A Name: Servo motor combination error
Alarm content
Display Detail name
1A.1 Servo motor (1)
combination
error
(2) An encoder is
Alarm No.: 1E Name: Encoder initial communication error 2
Alarm content
Display Detail name
1E.1 Encoder (1)
malfunction
(2) Something near the
A part in the servo amplifier is malfunctioning.
Cause
circuit is malfunctioning.
device caused it.
The servo amplifier
recognition signal was
not read properly.
device caused it.
A part (Flash-ROM) in the servo amplifier is failure.
Cause
malfunctioning.
device caused it.
The combination of servo amplifier and servo motor is incorrect.
Cause
The servo amplifier and
the servo motor was
connected incorrectly.
malfunctioning.
An encoder is malfunctioning.
Cause
An encoder is
malfunctioning.
device caused it.
Check method
Check if the alarm It occurs.
occurs during the servo-
on status.
It does not occur.
Check the noise, It has a failure.
ambient temperature,
etc.
Disconnect the cables It is repeatable.
except the power supply,
and then check the
It is not repeatable.
repeatability.
Check the noise, It has a failure.
ambient temperature,
etc.
Check method
Disconnect the cables It is repeatable.
except the power supply,
and then check the
It is not repeatable.
repeatability.
Check the noise, It has a failure.
ambient temperature,
etc.
Check method
Check the model name The combination is
of the servo motor and incorrect.
corresponding servo
The combination is
amplifier.
correct.
Replace the servo motor, It is not repeatable.
and then check the
repeatability.
Check method
Replace the servo motor, It is not repeatable.
and then check the
It is repeatable.
repeatability.
Check the noise, It has a failure.
ambient temperature,
vibration, etc.
8 - 10
Check result
Replace the servo
amplifier.
Check (2).
Take countermeasures
against its cause.
Replace the servo
amplifier.
Check (2).
Take countermeasures
against its cause.
Check result
Replace the servo
amplifier.
Check (2).
Take countermeasures
against its cause.
Check result
Use them in the correct
combination.
Check (2).
Replace the servo motor.
Check result
Replace the servo motor.
Check (2).
Take countermeasures
against its cause.
Action
Action
Action
Action