11
5
：
F
ault code analysis
Fault code
Fault
description
Fault reason
Fault solution
ER-01
The signal of
the needle is
wrong
1
：
the contact between the
needle and Moore thread
is bad
2
：
the permanent magnet
on the hand wheel is at
wrong position or is
demagnetized.
1
：
check the needle and Moore thread
2
：
check whether the permanent magnet is at
the wrong position
3
：
change the hand wheel
ER-02
The signal of
the speed
controller is
wrong
1
：
didn’t plug the speed
controller in when the
machine is on.
2
：
the speed controller is
plugged in at the wrong
position.
3
：
the speed controller is
disconnected.
4
：
the speed controller is
broken
1
：
check the signal line of the speed controller
2
：
change the speed controller
3
：
change the controller
ER-03
The signal of
the motor is
wrong
1
：
the contact between
plugs is bad
2
：
Moore and rotator have
some big deviations when
install the motor
3
：
the motor and Moore is
broken
1
：
open the rubber cap and check whether the
motor rotator and stator is at the same level, make
sure the deviation is less than 1MM
2
：
change the motor
3
：
change the controller
ER-04
The motor
stops rolling
1
：
the sewing machine is
too heavy or is stuck
2
：
the motor is overloaded
3
：
the motor’s 4 drive lines
didn’t connect or were
plugged at the wrong
position
1
：
check the motor’s 4P thread
2
：
check whether the sewing machine is too
heavy.
3
：
change the controller
Содержание M-1 Series
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