− 118 −
Error code
Description of error
How to recover
E811
overvoltage of power error
When input power is more than the specified value
Turn OFF the
power.
E813
Low voltage of power error
When input power is less than the specified value
Turn OFF the
power.
E901
Main shaft motor IPM abnormality
When SERVO CONTTROL crcut board s abnormal
Turn OFF the
power.
E903
Stepping motor power (50V) abnormality
When stepping motor power of SERVO CONTROL circuit board
fluctuates more than ± 15%
Turn OFF the
power.
E904
Solenoid power (33V) abnormality
When solenoid power of SERVO CONTROL circuit board
fluctuates more than ± 15%
Turn OFF the
power.
E905
Heat sink temperature for SERVO CONTROL circuit board
abnormality
Turn ON the power again after taking time.
Turn OFF the
power.
E915
Communication abnormality between operation panel and
MAIN cPu
When abnormalty occurs n data communcaton
Turn OFF the
power.
E916
Communication abnormality between MAIN CPU and main
shaft cPu
When abnormalty occurs n data communcaton
Turn OFF the
power.
E917
Communication abnormality between operation panel and
personal computer
When abnormalty occurs n data communcaton
Possible to
re-start after
reset.
E918
MAIN circuit board heat sink temperature abnormality
Turn ON the power again after taking time.
Turn OFF the
power.
E943
Defective EEP-roM of MAIN cPu
When data writing to EEP-ROM cannot be performed
Turn OFF the
power.