APP - 30
APPENDICES
(3) Absolute position system errors (1200 to 1299)
These errors are detected at the absolute position system.
The error codes, causes, processing and corrective actions are shown in Table
1.10.
Table 1.10 Absolute position system error (1200 to 1299) list
Error
code
Control mode
Error cause
Error
processing
Corrective action
Positioning
Fixed-pitch feed
Speed
Speed-position switching
Speed switching
Constant-speed
JOG
Manual pulse generator
Home position return
Position follow-up control
OSC
Speed control with fixed
osition sto
Speed-torque control
1201
• The error causes why the
home position return is
required in the absolute
position system are as
follows:
(1) The home position return
has never been executed
after the system start.
(2) The home position return
is started, but not
completed correctly.
(3) Absolute data in the
Motion CPU is erased
due to causes such as a
battery error.
(4) Servo error [2025],
[2143], or [2913]
occurred.
(5) Major error [1202], [1203]
or [1204] occurred.
(6) "Rotation direction
selection" of the servo
parameter is changed.
Home
position
return
request ON
• Execute the home position
return after checking the
batteries of the Motion CPU
module and servo amplifier.
1202
• A communication error
between the servo amplifier
and encoder occurred at the
turning on servo amplifier
power supply.
Depending
on the
version of
operating
system
software and
servo
amplifier,
home
position
return
request ON,
servo error
[2016] set.
(Fully closed
loop control
servo
amplifier use:
Servo error
[2070] is
set.)
• Check the motor and encoder
cables.
• If the home position return
request signal is turning ON,
execute a home position
return.
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