Mitsubishi Electric Melservo-J4 Instruction Manual page 41

Alarm No.: 1A Name: Servo motor combination error
 The combination of servo amplifier and servo motor is incorrect.
Alarm content
Detail Detail name Cause
No.
1A.1 Servo motor (1) The servo amplifier and
combination the servo motor was
error 1 connected incorrectly.
(2)
is not corresponding to
the connected servo
motor.
(3)
PA18] were not set
according to the linear
servo motor to be used.
(4) The software version of
the servo amplifier does
not support the TM-
RG2M/TM-RU2M
series direct drive
motor.
(5) An encoder is
malfunctioning.
1A.2 Servo motor (1)
control mode is not corresponding to
combination the connected servo
error motor.
(2) When the fully closed
loop control mode is
selected, encoders of
the servo motor side
and the machine side
are connected
reversely.
1A.4 Servo motor (1) The servo amplifier is
combination malfunctioning.
error 2
Alarm No.: 1B Name: Converter alarm
 An alarm occurred in the converter unit during the servo-on.
Alarm content
Detail Detail name Cause
No.
1B.1 Converter unit (1) The protection
error coordination cable is
not correctly connected.
(2) An alarm occurred in
the converter unit
during the servo-on.
Check method
Check the model name
of the servo motor and
corresponding servo
amplifier.
The setting of [Pr. PA01] Check the [Pr. PA01]
setting.
Rotary servo motor: "_ _
0 _"
Linear servo motor: "_ _
4 _"
Direct drive motor: "_ _ 6
_"
[Pr. PA17] and [Pr. Check if [Pr. PA17] and
[Pr. PA18] are set
correctly.
Check if the software
version of the servo
amplifier supports the
TM-RG2M/TM-RU2M
series.
Replace the servo motor,
and then check the
repeatability.
The setting of [Pr. PA01] Check the [Pr. PA01]
setting.
Rotary servo motor: "_ _
0 _"
Linear servo motor: "_ _
4 _"
Direct drive motor: "_ _ 6
_"
Check the connection
destination of the
encoder.
Replace the servo
amplifier, and then check
the repeatability.
Check method
Check the protection
coordination cable
connection.
Check the alarm of the converter unit, and take the action following the remedies
for alarms of the converter unit.
Check result
The combination is
incorrect.
The combination is
correct.
The combination is
incorrect.
The combination is
correct.
It is not set correctly.
It is C7 or earlier.
It is C8 or later.
It is not repeatable.
The combination is
incorrect.
The connection
destination of the
encoder is incorrect.
It is not repeatable.
Check result
It is not connected.
It is connected.
1 TROUBLESHOOTING FOR SERVO AMPLIFIER (DRIVE UNIT)
Action Target
Use them in the correct [A]
combination. [B]
[WB]
Check (2).
[RJ010]
[GF]
Set [Pr. PA01] correctly. [A]
When using a linear [B]
servo motor, also check [WB]
(3). [GF]
Check (4).
Set them correctly
according to the linear
servo motor to be used.
Replace the servo
amplifier with a one
whose software version
supports the TM-RG2M/
TM-RU2M series.
Check (5).
Replace the servo motor. [A]
[B]
[WB]
[RJ010]
[GF]
Set [Pr. PA01] correctly. [A]
[B]
[WB]
[GF]
Connect it correctly.
Replace the servo
amplifier.
Action Target
Connect it correctly. [A]
[B]
Check (2).
1.4 Remedies for alarms
1
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