Problems And Warning Signals - ALFA COMPAKT 500E Manual De Instrucciones

Problems and Warning Signals

If a buzzer sounds and the LCD display shows a warning sign, follow the guidance below.
Warning signal
NOTE:
The safety device will shut the power down when the
machine is locked. If the threads are jamming, remove the
jammed threads and turn the power on again after 3 minutes.
Audible signal The buzzer sounds when:
Pip Normal operation
Pip-pip-pip Invalid operation
Pip-pip-peep Buttonhole sewing completed
Peep Malfunciton
It is not abnormal that a faint humming sound is coming from the internal motors.
Problem
The foot control sign blinks when the foot control
went out of order while sewing.
The buttonhole is sewn without lowering the
buttonhole lever.
The bobbin winder spindle is shifted to the right for
bobbin winding.
The machine is restarted after it halted due to
overload.
The bobbin winder spindle is locked by thread
jamming while winding the bobbin.
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Try this
Replace the foot control.
Lower the buttonhole lever and
restart the machine.
Return the bobbin winder spindle to
the left.
Wait for at least 15 seconds to restart.
Turn the power off and remove the
jammed threads.