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Error Code Problem STATUS / MEASUREMENT
E1 Power Module is faulty.
Abnormal over current or voltage.
Resistor is damaged or F1 fuse is blown.
System will be shut down until the power resets on.
Please check the power board in detail.
E2
1）When power on, detected main voltage too
low
2）Connect the wrong voltage, too low.
Motor and machine will be shutting down. Please check
the AC power. (Too low)
Please check the main pc board.
E3 Operation Box linked to CPU interface had com-
munication error.
Motor and machine will be shutting down. Please check
the operation box.
E5 Faulty connection of the pedal sensor Check whether the pedal sensor connector is securely
connected.
E7 a) Bad connection at the motor connector.
b) Synchronizer signal error
c) Machine locked or object stuck in the motor
pulley.
d) Sewing material is too thick.
e) Module output is abnormal.
System will be shut down until the power resets on.
Please check the motor connectors, synchronizer situa-
tion and machine situation.
E8 Manual Back-Tacking lasts for 15 sec. System will be shut down until the power resets on.
E9 Synchronizer signal error. Please check the positioning signal or the condition of
pulley.
E11 Auto Needle Up is malfunction as power on. Motor still can run, but it automatically starts the clutch
mode. All constant-stitch sewing pattern and trimmer /
wiper function is invalid. Please check the synchronizer.
E12 Power is turned on without the synchronizer
signal.
Motor still can run, but it automatically starts the clutch
mode. All constant-stitch sewing pattern and trimmer /
wiper function is invalid. Please check the synchronizer.
E13 Overheat Protection f or Power Module Please check the connection between power module
and heat sink.
E14 Encoder signal error. Please check the encoder signal or change the encoder.
E15 Abnormal over current protection for Power
Module.
System will be shut down until the power resets on. Please
check the power board in detail.
E16 Trimmer switch error. Please check the trimmer switch whether turn in the
correct position.
E17 Machine head switch error. Please check if the machine head whether raised or if the
machine head switch is damaged.
9. Error code list
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