Mitsubishi Electric MELSERVO-J4 Instruction Manual page 34

1. TROUBLESHOOTING FOR SERVO AMPLIFIER (DRIVE UNIT)
Alarm No.: 17 Name: Board error
Alarm content
Detail
Detail name
No.
17.6 Board error 5 (1) The setting value of the
(2) Something near the
17.7 Board error 7 Check it with the check method for [AL. 17.4].
17.8 Board error 6 (1) Inrush current
17.9 Board error 8 (1) Something near the
(2) The servo amplifier is
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
19.3 Flash-ROM
error 3
A part in the servo amplifier is malfunctioning.
Cause
Disconnect the cables
control axis setting except for the control
switch (SW2) was not circuit power supply,
read properly. and then check the
repeatability.
Check the noise,
device caused it. ambient temperature,
etc.
Replace the servo
suppressor circuit is amplifier, and then
malfunctioning. check the
repeatability.
Check the noise,
device caused it. ambient temperature,
etc.
Replace the servo
malfunctioning. amplifier, and then
check the
repeatability.
A part (Flash-ROM) in the servo amplifier is failure.
Cause
Disconnect the cables
malfunctioning. except for the control
circuit power supply,
and then check the
repeatability.
Check the noise,
device caused it. ambient temperature,
etc.
Check method Check result
It is repeatable.
It is not repeatable.
It has a failure.
It is not repeatable.
It has a failure.
It has no failure.
It is not repeatable.
Check method Check result
It is repeatable.
It is not repeatable.
It has a failure.
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Action Target
Replace the servo [B]
amplifier.
[WB]
Check (2).
Take
countermeasures
against its cause.
Replace the servo [B]
amplifier.
[WB]
Take [GF]
countermeasures
against its cause.
Check (2).
Replace the servo
amplifier.
Action Target
Replace the servo [A]
amplifier. [B]
[WB]
Check (2).
[RJ010]
[GF]
Take
countermeasures
against its cause.