– 93 –
Error
code
Display
Description of error
Display message
How to re-
cover
Place of
recovery
E813
Low voltage
When input power is less
than the specified value.
Turn OFF
the power
E901
Main shaft motor IPM ab-
normality
When IPM of servo control
p.c.b. is abnormal.
Turn OFF
the power
E903
Stepping motor power ab-
normality
When stepping motor power
of SERVO CONTROL p. c. b.
fluctuates more than ± 15%.
Turn OFF
the power
E904
Solenoid power abnormal-
ity
When solenoid power of
SERVO CONTROL p. c. b.
fluctuates more than ± 15%.
Turn OFF
the power
E905
Heat sink temperature for
SERVO CONTROL p. c. b.
abnormality
Turn ON the power again
after taking overheat time of
SERVO CONTROL p. c. b.
Turn OFF
the power
E907
X feed motor origin re-
trieval error
When origin sensor signal
is not inputted at the time of
origin retrieval motion.
Turn OFF
the power
E908
Y feed motor origin re-
trieval error
When origin sensor signal
is not inputted at the time of
origin retrieval motion.
Turn OFF
the power
E910
Thread-trimmer motor ori-
gin retrieval error
When origin sensor signal
is not inputted at the time of
origin retrieval motion.
Turn OFF
the power
E914
Feed defective error
Timing lag between feed
and main shaft occurs.
Turn OFF
the power
E915
Communication abnormality
between operation panel and
MAIN CPU
When abnormality occurs in
data communication.
Turn OFF
the power
E916
Communication abnormal-
ity between MAIN CPU and
main shaft CPU
When abnormality occurs in
data communication.
Turn OFF
the power