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Abnormality of control
CPU performed processing other than
supposed.
Panel is connected to the machine other
than supposed. (Machine type error)
When machine type code of system is
improper in case of initial communication.
Nonagreement of system version
When version of system software is improper
in case of initial communication.
Main motor hole sensor defectiveness or
position sensor defectiveness
When motor hole sensor error signal
(UVWE) is detected with the motor locked
(2 seconds or more have passed at 20 rpm
or less).
Reverse rotation of main shaft motor
When motor has continued to rotate 40 times
or more in the reverse direction as against
the control direction at 500 rpm or more
during motor running (excluding at the time
of holding).
Phase-lack of power
When 400 ms or more of power phase-lack
signal (PHE) is detected after 2 seconds of
phase-lack observation invalid time passed
from turning ON the power.
Power instantaneous cut detection
When power instantaneous cut detection
signal (PWF) is detected.
Solenoid power short-circuit
When solenoid power short-circuit signal
(PWSH) (CPLD internal signal) is detected
while power phase-lack signal (PHE) is not
detected after 2 seconds of phase-lack
observation invalid time passed from turning
ON the power.
Turn OFF the
power.
Possible to
rewrite program
after pressing
down
communication
switch.
Possible to
rewrite program
after pressing
down
communication
switch.
Turn OFF the
power.
Turn OFF the
power.
Turn OFF the
power.
Turn OFF the
power.
Turn OFF the
power.
Communication
screen
E702
E703
E704
E731
E733
E801
E802
E810
Error code
Description of error
How to recover
Place of recovery
Pictograph
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