Mitsubishi Electric MELSERVO-J3W Series Instruction Manual page 312

13. USING A LINEAR SERVO MOTOR
Alarm No.16
Alarm description
Display Name
16.5 Encoder
transmission data
error 1
16.6 Encoder
transmission data
error 2
16.7 Encoder
transmission data
error 3
Alarm No.17
Alarm description
Display Name
17.1 AD converter
error
17.2 Current feedback
data error
17.3 Custom IC error
17.4 Amplifier
detection signal
error
17.5 Rotary switch
error
17.6 DIP switch error
Alarm No.19
Alarm description
Display Name
19.1 Flash-ROM error
1
19.2 Flash-ROM error
2
Name: Encoder initial communication error 1
Error occurs in the communication between the linear encoder and the servo amplifier.
Cause
(1) Encoder cable is faulty.
(2) Fault is generated from
the surrounding
environment.
(3) Encoder is faulty.
(1) Encoder cable is faulty.
(2) Fault is generated from
the surrounding
environment.
(3) Encoder is faulty.
(1) Encoder cable is faulty.
(2) Fault is generated from
the surrounding
environment.
(3) Encoder is faulty.
Name: Board error
Interior part of the servo amplifier is faulty.
Cause
Same as for the rotary servo motor.
Refer to section 8.3.
Name: Memory error 3 (Flash-ROM)
Interior part of the servo amplifier (FLASH-ROM) is faulty.
Cause
Same as for the rotary servo motor.
Refer to section 8.3.
Stop method: Corresponding axis stops
Checkpoint
Check the shield. Problem found.
No problem found.
Check for noise, and Problem found.
other factors.
No problem found.
Replace the servo motor Error is not
and check the reproduced.
reproducibility of the error.
Examine checkpoints described in the alarm display "16.5".
Examine checkpoints described in the alarm display "16.5".
Stop method: All axes stop
Checkpoint
Stop method: All axes stop
Checkpoint
13 - 63
Finding Action
Repair the cable.
Check (2).
Take countermeasure
according to the
cause.
Check (3).
Replace the servo
motor.
Finding Action
Finding Action