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132
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Error code Pictograph Description of error
How to recover
Place of recovery
E733
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 sti/min
or more during motor running (excluding at the time of holding).
Turn OFF
the power.
E801
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.
Turn OFF
the power.
E802
Power instantaneous cut detection
When power instantaneous cut detection signal (PWF)
is detected.
Turn OFF
the power.
E810
Solenoid power short-circuit
When solenoid power short-circuit signal (PWSH) (CPLD inter-
nal 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.
E811
Overvoltage
When power overvoltage signal (OVL) which is output
when input power is 280V or more is detected.
Turn OFF
the power.
E813
Low voltage
When low voltage signal (LVL) which is output when
input power is 150V or less is detected.
Turn OFF
the power.
E903
Abnormality of stepping motor power
When stepping motor power abnormality signal (LVPMP) which
is output when the stepping motor power, 48V, uctuates -15%
or more when turning ON the power is detected.
Turn OFF
the power.
E915
Abnormality of communication between operation
panel and main CPU
When abnormality occurs in data communication.
Turn OFF
the power.
E916
Abnormality of communication between main CPU
and main shaft CPU
When abnormality occurs in data communication.
Turn OFF
the power.
E917
Failure of communication between operation panel
and personal computer
When abnormality occurs in data communication.
Possible
to recover
by reset.
Previous
screen
E918
Abnormality of heat sink temperature for MAIN p.c.b.
When temperature of heat sink for MAIN p.c.b. is 85˚C or
more.
Turn OFF
the power.
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