8. TROUBLESHOOTING
8 - 11
Alarm No.1A
Name: Motor combination error
Stop method: Corresponding axis stops
Alarm description
Combination of servo amplifier and servo motor is incorrect.
Display Name
Cause
Checkpoint
Finding
Action
1A.1 Motor
combination error
(1) Combination
is
incorrect.
Use in the right
combination.
Servo amplifier is
connected to an incorrect
servo motor or vice versa.
Check the model name of
the servo motor and its
combination with the
servo amplifier.
Combination is
correct.
Check (2).
(2) Linear servo setting is
selected in the
parameter.
Rotary servo motor is
selected.
Check the
combination, then
check (3).
Check the parameter No.
PA01 setting.
Rotary servo motor:
"
0 "
Linear servo motor:
"
4 "
Linear servo motor is
selected.
Select a rotary servo
motor.
(3) A servo motor that needs
parameter No.Po04
setting is being used.
Check the parameter
No.Po04 setting.
The setting is
incorrect.
Correct the setting.
Alarm No.1E
Name: Encoder initial communication error 2
Stop method: Corresponding axis stops
Alarm description
Encoder is faulty.
Display Name
Cause
Checkpoint
Finding
Action
1E.1
Encoder failure
(1) Encoder is faulty.
Reproduced.
Replace the servo
motor.
Replace the servo motor
and check the
reproducibility of the error. Not reproduced.
Check (2).
(2) Fault is generated from
the surrounding
environment.
Check for noise and
surrounding air
temperature.
Problem found.
Take countermeasure
according to the
cause.
Alarm No.1F
Name: Encoder initial communication error 3
Stop method: Corresponding axis stops
Alarm description
Connected encoder is not compatible.
Display Name
Cause
Checkpoint
Finding
Action
1F.1 Incompatible
encoder
(1) Incompatible servo motor
(linear encoder) is
connected to the servo
amplifier.
Check the model name of
the servo motor (linear
encoder).
Incompatible servo
motor (linear encoder).
Replace the servo
motor (linear
encoder).
Summary of Contents for MELSERVO-J3W Series
Page 17: ...8 MEMO ...
Page 27: ...1 FUNCTIONS AND CONFIGURATION 1 10 MEMO ...
Page 87: ...4 STARTUP 4 14 MEMO ...
Page 117: ...5 PARAMETERS 5 30 MEMO ...
Page 129: ...6 GENERAL GAIN ADJUSTMENT 6 12 MEMO ...
Page 185: ...10 CHARACTERISTICS 10 8 MEMO ...
Page 241: ...11 OPTIONS AND AUXILIARY EQUIPMENT 11 56 MEMO ...
Page 274: ...13 USING A LINEAR SERVO MOTOR 13 25 1 2 3 4 ...