50
Audible signal
Pip
Pip-pip-pip
Pip-pip-peep
Peep
The buzzer sounds when:
Normal operation
Invalid operation
Buttonhole sewing completed
Malfunction
Cause
Try this
The machine will not sew with the start/
stop button because the foot control is
connected.
Disconnect the foot control and start the
machine.
Warning sign
Lower the buttonhole lever and restart the
machine.
A buttonhole is sewn without lowering
the buttonhole lever.
The bobbin winder spindle is moved to
the right.
Move the bobbin winder spindle to the left.
The machine is restarted too soon after
it has halted due to the overload.
Wait for at least 15 seconds to restart. If threads
are jamming, remove the jammed threads.
Auto thread cutting error due to a
problem in the electronic components
or tangled threads in hook area.
Remove the jammed threads in the hook area.
If the error occurs again after cleaning the
hook area, contact the service center or the
store from where the machine was purchased.
Problems and Warning Signs
The machine will not sew because the
presser foot is not lowered.
Lower the presser foot lifter and start the
machine.
The twin needle button is pressed
when the machine has been in the
twin needle sewing mode.
Press the twin needle button to return to the
twin needle sewing mode.
Or turn off the machine and change to the
single needle for normal sewing.
Clean the outside of the machine with a soft cloth. Do not use chemical solvent.
Store the machine in cool dry place.
Do not store the machine in area of high humidity, near a radiator or in direct sunshine.
It is not abnormal that a faint humming sound comes out from inside the machine.
LCD screen and pattern selection buttons may get warm when the machine has been used for hours.
Accumulated bobbin thread residues may cause auto thread cutting errors. Contact an authorized dealer or service
center to remove thread residues from inside the free arm cover.
