APP - 26
APPENDICES
(5) System errors (900 to 999)
These are errors detected at the power-on.
The error codes, causes, processing and corrective actions are shown in Table
1.7.
Table 1.7 System error (900 to 999) 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
901
• The motor travel value while
the power is off exceeded
the "System setting mode-
allowable travel value during
power off" set in the system
settings at the turning on of
the servo amplifier.
Further
operation is
possible.
• Check the position.
• Check the battery of encoder.
902
• At VC
(CKD Nikki Denso)
power-on, ABS/INC setting
in "System Setting" differs
from the installed servo
driver setting. (Check when
VC
is used only).
Further
operation is
possible
according to
servo driver
setting.
• Correct ABS/INC setting in
"System Setting".
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