Replacing The Light Bulb; Troubleshooting - Alfa 3000 Manuel D'instructions

q
w
e

Replacing the Light Bulb

WARNING–
Turn the power switch OFF and unplug the machine
before replacing the light bulb.
The bulb could be HOT. Protect your fingers when
handling it.
Do not dismantle the machine other than explained in
this section.
1 Remove the cap and setscrew with a screwdriver.
Remove the face plate.
q Cap
w Setscrew
2 Push the light bulb up and twist it counterclockwise
to remove.
e Light bulb
3 Insert a new bulb into the lamp socket. Push the bulb
up and twist it clockwise.
4 Attach the face plate with the setscrew.
Attach the cap to the face plate.

Troubleshooting

Condition
The base 1. Over-punching the
fabric is same place
punched into
2. The base fabric is too
a hole.
fine.
The needle
1. The needle unit is
breaks.
incorrectly inserted.
2. The needle is bent or
blunt.
3. The needle clamp screw
is loose.
4. The fabric is pulled or
turned without raising
the needle unit.
The fabric
1. The height of the
cannot be presser foot is too low.
moved
smoothly.
The machine
1. Lint and dust have
runs slow
accumulated inside of
and/or noisily. the bed cover and
around needle bar area.
2. The base fabric is too
thick or too dense.
3. The needle is bent or
blunt.
The machine 1. The machine is not
does not run.
plugged in.
24
To reduce the risk of burn:
Cause
See Page 16.
See Page 16.
See Page 12.
See Page 12.
See Page 12.
See Page 16.
See Page 12.
See Page 22.
See Page 16.
See Page 12.
See Page 10.
Reference