Problem
Skip stitches
The needle is not inserted properly.
Needle is damaged.
The wrong needle size has been used.
Presser foot is not fastened correctly.
Needle breaks
Needle is damaged.
The needle is not inserted properly.
Wrong needle size for the fabric.
Presser foot is not fastened correctly.
Loose stitches
Machine is not threaded correctly.
The bobbin thread reel is not inserted
properly.
Wrong combination of needle/fabric/
thread.
Wrong thread tension.
Kinking seam
The needle is too big for the fabric.
The stitch length is set wrongly.
Thread tension is too high.
Cleaning
WARNING:
•
Always detach the machine from the power supply before
cleaning!
•
In no case submerge the machine and the power supply
in water for cleaning. This could cause electrical shock or
fire.
CAUTION:
•
Do not use a wire brush or other abrasive objects.
•
Do not use aggressive or abrasive cleaning agents.
•
Use a dust cloth for outside cleaning of the housing.
•
Clean the area underneath the looper cover with a dry
brush.
Noise development
The sound pressure level in the ear of an operator (LpA) was
measured according to DIN EN ISO 3744.
Sound pressure level detected: 80 dB(A) (no limit)
Technical Data
Model: .............................................................................NM 3466
Sewing area illumination .............................................LED 0.5 W
Net weight: ........................................................... approx. 3.20 kg
Power Adaptor
Protection class: .......................................................................... II
Input: ......................................................AC 100-240 V, 50/60 Hz
Output: ............................................................ DC 12 V, 1500 mA
Polarity: ..........................................................................
The right to make technical and design modifications in the
course of continuous product development remains reserved.
46
Potential cause
Correction
Remove the needle and insert it again (flat side to the rear).
Insert a new needle.
Choose a needle that is adequate for thread and fabric.
Check position of the presser foot and fasten it correctly.
Insert a new needle.
Insert the needle correctly (flat side to the rear).
Choose a needle that is adequate for thread and fabric.
Check position of the presser foot and fasten it correctly.
Check threading.
Insert the bobbin thread reel as shown on the looper cover.
The needle size has to be adequate for fabric and thread (see
table).
Correct thread tension.
Choose a finer needle.
Adjust the stitch length again.
Loosen thread tension (lower number).
This device has been tested according to all relevant current
CE guidelines, such as electromagnetic compatibility and low
voltage directives, and has been constructed in accordance
with the latest safety regulations.
Disposal
Meaning of the "Dustbin" Symbol
Protect our environment: do not dispose of electrical equipment
in the domestic waste.
Please return any electrical equipment that you will no longer
use to the collection points provided for their disposal.
This helps avoid the potential effects of incorrect disposal on
the environment and human health.
This will contribute to the recycling and other forms of reutilisa-
tion of electrical and electronic equipment.
Information concerning where the equipment can be disposed
of can be obtained from your local authority.