8. TROUBLESHOOTING
8 - 19
Alarm No.34
Name: SSCNET receive error 1
Stop method: Corresponding axis stops
Alarm description
SSCNET communication error (Continuous communication error for 3.5ms)
Display Name
Cause
Checkpoint
Finding
Action
34.3 Communication
data error
(1) SSCNET cable is
disconnected.
Examine checkpoints described in the alarm display "34.1".
(2) Tip of SSCNET cable
has dirt.
(3)
SSCNET cable is
broken or cut off.
(4) Vinyl tape is stacked to
SSCNET cable, or
cable containing
migrating plasticizer is
adhered to the cable.
(5) Servo amplifier is faulty.
(6) Servo amplifier in front or
rear axis of alarm
occurring axis is faulty.
(7) Fault is generated from
the surrounding
environment.
34.4 Hardware
error
signal detection
(1) SSCNET cable is
disconnected.
Examine checkpoints described in the alarm display "34.1".
(2) Tip of SSCNET cable
has dirt.
(3)
SSCNET cable is
broken or cut off.
(4) Vinyl tape is stacked to
SSCNET cable, or
cable containing
migrating plasticizer is
adhered to the cable.
(5) Servo amplifier is faulty.
(6) Servo amplifier in front or
rear axis of alarm
occurring axis is faulty.
(7) Fault is generated from
the surrounding
environment.
Alarm No.35
Name: Command frequency error
Stop method: Corresponding axis stops
Alarm description
Input pulse frequency of command pulse is too high.
Display Name
Cause
Checkpoint
Finding
Action
35.1 Command
frequency error
(1)
Check the speed
command.
Speed command is
too high.
Review the operation
pattern.
Command given is the
maximum speed of the
servo motor or higher.
Speed command is
within the setting
range.
Check (2).
(2) Servo amplifier is faulty.
Not reproduced.
Replace the servo
amplifier.
Replace the servo
amplifier, and check the
reproducibility of the error. Reproduced. Check
(3).
(3) Servo system controller is
faulty.
Not reproduced.
Replace the servo
system controller.
Replace the servo system
controller, and check the
reproducibility of the error. Reproduced. Check
(4).
(4) Fault is generated from
the surrounding
environment.
Check for noise,
surrounding air
temperature, and other
factors.
Problem found.
Take countermeasure
according to the
cause.
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 ...