— 10-14 —
B
B
3
3
t
t
y
y
p
p
e
e
B
B
5
5
t
t
y
y
p
p
e
e
10.3. Cause and Remedy of Alarm
2
2
3
3
t
t
y
y
p
p
e
e
2
2
5
5
t
t
y
y
p
p
e
e
u
Program Error: F5
Cause Remedy
(1) A channel that does not have a
program is selected.
·
Check the contents of a program.
·
Check wirings of inputs of PRG0 to PRG5.
·
Check the sequence.
u
Automatic Tuning Error: F8
Cause Remedy
Terminal
display
(1)The System got in the servo-off state in the
middle of automatic tuning.
(2) The EMST” or The Over Travel Limit signal
was inputted in the middle of automatic
tuning.
·
Check input signal, and then
execute the automatic tuning
again.
AT Error 1
(3) Automatic tuning cannot be executed due
to unbalanced load.
·
Check the loading condition.
·
Set the parameters manually.
AT Error 2
(4) Automatic tuning cannot be executed due
to excessive load.
AT Error 3
(5) Resonant occurred due to low rigidity of
the load or the mounting base.
·
Check the load or the mounting
base. Increase rigidity.
·
Set parameters manually.
AT Error 4
u
RS-232C Error: C2
Cause Remedy
(1) The communication cable was connected
or disconnected when the power was on.
·
Be sure to connect or disconnect the communication
cable when the power is off.
(2) Attempted to transmit large volume of data
without the flow control with the CTS or the
RTS command.
·
Wire the CTS and the RTS signals, and apply the
flow control.
(3) Wrong communicating specification is set
to the terminal.
·
Refer to “7.3.1. Specifications of Communication”
and review the communication specifications of the
terminal.
(4) Defective RS-232C communication.
·
Replace Driver Unit referring to “Appendix 4. How
to Replace ESB Driver Unit.”
l
You may cancel the alarm of “RS-232C error” with CLR ON signal or CL command.
u
CPU Error: C3
Cause Remedy
(1) A wrong program is called due to noise.
·
Take a measure against noise.
(2) The memory is defective.
(3) The CPU is defective.
·
Replace the Driver Unit referring to “Appendix 4.
How to Replace ESB Driver Unit.”
u
Internal Error: C9
Cause Remedy
(1) The Driver Unit malfunctions internally.
·
Please consult with NSK.
Содержание MEGATORQUE M-ESB-YSB2020AB300
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