8. TROUBLESHOOTING
8 - 27
Alarm No. 8A
Name: USB communication time-out error
Stop method: All axes stop
Alarm description
Communication between the servo amplifier and a communication device (PC, etc.) stops for the
specified time or longer.
Display Name
Cause
Checkpoint
Finding
Action
8A.1 (1)
Communication
commands are not sent.
Check if commands are
sent from the personal
computer.
Not sent.
Send commands from
the personal
computer.
USB
communication
time-out error
Sent.
Check
(2).
(2) USB cable has breakage.
Not reproduced.
Replace the USB
cable.
Replace the USB cable
and check the
reproducibility of the error. Reproduced. Check
(2).
(3) Servo amplifier is faulty.
Replace the servo
amplifier, and check the
reproducibility of the error.
Not reproduced.
Replace the servo
amplifier.
Alarm No. 8E
Name: USB communication error
Stop method: All axes stop
Alarm description
USB communication error occurs between the servo amplifier and a communication device (PC, etc.)
Display Name
Cause
Checkpoint
Finding
Action
8E.1
(1) USB cable is faulty.
Not reproduced.
Replace the USB
cable.
USB
communication
receive error
Replace the USB cable
and check the
reproducibility of the error. Reproduced. Check
(2).
(2)
Incorrect
setting
found.
Review the setting.
Setting of communication
device (personal
computer, etc.) is
improper.
Check the
communication setting of
the communication
device.
Setting is correct.
Check (3).
(3) Servo amplifier is faulty.
Replace the servo
amplifier, and check the
reproducibility of the error.
Not reproduced.
Replace the servo
amplifier.
8E.2 USB
communication
checksum error
(1) Setting of communication
device (personal
computer, etc.) is
improper.
Check the
communication setting of
the communication
device.
Incorrect setting
found.
Review the setting.
8E.3 USB
communication
character error
(1) Character not in the
specification is
transmitted.
Check the character code
at transmission.
Character not in the
specification is
transmitted.
Modify the send
command.
Only character in the
specification is
transmitted.
Check (2).
(2)
Communication
protocol
is faulty.
Check if transmission
data conforms the
communication protocol.
Does not conform.
Modify transmission
data according to the
communication
protocol.
Conforms.
Check
(3).
(3) Setting of communication
device (personal
computer, etc.) is
improper.
Check the
communication setting of
the communication
device.
Incorrect setting
found.
Review the setting.
Содержание MELSERVO-J3W Series
Страница 17: ...8 MEMO ...
Страница 27: ...1 FUNCTIONS AND CONFIGURATION 1 10 MEMO ...
Страница 87: ...4 STARTUP 4 14 MEMO ...
Страница 117: ...5 PARAMETERS 5 30 MEMO ...
Страница 129: ...6 GENERAL GAIN ADJUSTMENT 6 12 MEMO ...
Страница 185: ...10 CHARACTERISTICS 10 8 MEMO ...
Страница 241: ...11 OPTIONS AND AUXILIARY EQUIPMENT 11 56 MEMO ...
Страница 274: ...13 USING A LINEAR SERVO MOTOR 13 25 1 2 3 4 ...