JUKI IP-420 - Page 111

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Error code Display Description of error
Display message
How to recover
Place of
recovery
E308
Time-out error of wait
terminal
There is no input to wait
terminal for a certain period
of time.
Turn OFF
the power
E703
Panel is connected to the
sewing machine which is
not supposed. (Machine
type error)
When the machine type
code of system is not proper
in the initial communication.
Possible
to rewrite
program after
pressing down
communication
switch.
Communi-
cation
screen
E704
Inconsistency of system
version
System software version
is inconsistent in the initial
communication.
Possible
to rewrite
program after
pressing down
communication
switch.
Communi-
cation
screen
E730
Main shaft motor encoder
defectiveness
When encoder of the sewing
machine motor is abnormal.
Turn OFF
the power
E731
Main motor hole sensor
is defective or position
sensor is defective.
Hole sensor or position
sensor of the sewing
machine motor is defective.
Turn OFF
the power
E733
Reverse rotation of main
shaft motor
When sewing machine
motor rotates in reverse
direction.
Turn OFF
the power
E802
Power electrical
discontinuity detection
Turn OFF
the power
E811
Overvoltage
When input power is more
than the specied value.
Turn OFF
the power
E813
Low voltage
When input power is less
than the specied value.
Turn OFF
the power
E901
Main shaft motor IPM
abnormality
When IPM of servo control
p.c.b. is abnormal.
Turn OFF
the power