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Error code
Display
Description of error
Display message
How to recover Place of recovery
E434
Hardware error has occurred.
Hardware error has
Possible to
Previous
occurred.
re-start after screen
reset.
E437
Function cannot be selected.
Function cannot be
Possible to
Previous
selected.
re-start after screen
reset.
E438
Execution cannot be performed.
Execution cannot be
Possible to
Previous
performed.
re-start after screen
reset.
E441
Back-up data does not exist.
Back-up data does not
Possible to
Previous
exist.
re-start after screen
reset.
E703
Panel is connected to the sewing
Model of sewing machine
Possible to
Communication
machine which is not supposed. is different from that of
rewrite program screen
(Machine type error)
panel.
down
When the machine type code of
pressing
system is not proper in the initial
communication
communication.
switch.
E704
Inconsistency of system
Version of program
Possible to
Communication
version
incompatible.
rewrite program screen
System software version is
pressing
inconsistent in the initial
communication
communication.
switch.
E730
Main shaft motor encoder
Sewing machine motor is
Turn OFF
defectiveness
defective.
the power
When encoder of the sewing
(Encoder A and B phases)
machine motor is abnormal.
E731
Main motor hole sensor is
Sewing machine motor is
Turn OFF
defective or position sensor
defective.
the power
is defective
(Encoder U, V, and W
Hole sensor or position sensor of
phases)
sewing machine motor is defective.
E733
Reverse rotation of main shaft
Sewing machine motor runs
Turn OFF
motor
in the reverse direction.
the power
When sewing machine motor
rotates in reverse direction.
E802
Power electrical discontinuity
Power instantaneously
Turn OFF
detection
lost.
the power
When the input power supply is
instantaneously turned OFF.