Code
Cause
Remedy
E090
Connection of treadle was not detected when
power was turned on.
Turn off the power and check the connection of
connector CN11.
E095
Treadle or standing operation pedal was being
depressed when power was turned on.
Return the treadle or the standing operation pedal
to the neutral position.
Do not press the treadle or the standing operation
pedal when turning on the power.
Sewing machine motor-related errors
Code
Cause
Remedy
E100
Time for grease up.
Turn off the power, apply grease, and then clear
the grease up counter according to the method
specified.
E111
The needle up stop position exceeded the
specified value when the sewing machine motor
stopped.
Turn off the power and check if the sewing
machine motor or thread trimming mechanism is
stiff or not.
E112
The needle up or needle down stop position did
not reach the specified value when the sewing
machine motor stopped.
Turn off the power and check if the sewing
machine motor or thread trimming mechanism is
stiff or not.
E113
The needle down stop position exceeded the
specified value when the sewing machine motor
stopped.
Turn off the power and check if the sewing
machine motor or thread trimming mechanism is
stiff or not.
E130
Sewing machine motor did not operate at sewing
start or during sewing.
• Turn off the power and check if the sewing
machine motor is stiff or not.
• Turn off the power and check the connections
of the 4-pin sewing machine motor connector
and connector CN16.
E131
Sewing machine motor encoder connection was
not detected when power was turned on.
Turn off the power and check the connection of
connector CN16.
E132
Abnormal sewing speed of sewing machine
motor was detected during sewing.
Turn off the power and check the connection of
connector CN16.
E133
Problem with encoder signal of sewing machine
motor
Turn off the power and check the connection of
connector CN16.
E140
Sewing machine motor ran in opposite direction
to the direction specified during sewing.
Turn off the power and check the connection of
connector CN16.
E150
Abnormal overheating detected in sewing
machine motor.
Turn off the power and recheck the sewing
conditions.
E151
Motor overheating sensor connection was not
detected.
Turn off the power and check the connection of
connector CN16.
E161
Sewing machine motor overload was detected
during sewing.
Turn off the power and recheck the sewing
conditions.
E190
Sewing machine motor was running
continuously for too long during sewing.
Turn the power off and then back on again.
E191
Thread trimming solenoid operation was not
completed within the specified period.
Turn off power and check if the thread trimming
mechanism is stiff.
Communication and memory-related errors
Code
Cause
Remedy
E400
Connection of panel was not detected when
power was turned on.
Turn off the power and check the connection of
connector CN6.
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