163
It is not abnormal for a faint humming sound to be heard from the internal motors.
The LCD screen and function key area may become warm after several hours of continuous use.
Condition Cause Reference
Crunching sound
occurs when running
the machine.
1. Something is caught between the carriage and the arm.
2. The carriage is hitting something around the machine.
Remove the object.
See page 106.
Patterns are
distorted.
1. The needle thread tension is too loose.
2. The stitch length is not suitable for the fabric being sewn.
3. Feed balancing dial is not properly set.
4. Interfacing is not used for sewing stretch and very ne fabrics.
5. The embroidery hoop attaching knob is loose.
6. The embroidery hoop is hitting something around the machine.
7. The fabric is not stretched tightly enough on the embroidery hoop.
8. The fabric is caught or trapped when sewing embroidery.
9. The embroidery foot is trapped by a jump thread.
10. The embroidery foot stumbles on a mound of embroidery threads.
See page 37.
See page 36.
See page 105.
Use an interfacing.
See page 115.
See page 106.
See page 114.
Stop the machine
and free the fabric.
Trim the jump thread.
Adjust the foot height
(see page 152).
The automatic
buttonhole stitches
are not balanced.
1. The stitch length is not suitable for the fabric being sewn.
2. The feed balancing dial is not set properly.
3. Interfacing is not being used with stretch fabric.
4. Buttonhole lever is not lowered.
See page 46.
See page 105.
Use an interfacing.
See page 44.
Pattern selection
keys do not work.
1. The key position is out of alignment. See page 95.
The machine
cannotconnect to
the wireless LAN
access point.
1. The wireless router device does not comply with IEEE802.11b/g/n
wireless standard.
2. The wireless router device using WEP security, and encryption type
or/and key index is not set correctly.
See page 102.
See page 102.
The machine’s Wi-
Fi connection is
unstable.
1. The wireless router device’s DHCP option is not turned on.
2. A microwave oven, bluetooth devices or cordless phones is being used
between the machine and the access point.
See page 102.
See page 102.
The visual touch
screen swells.
1. The machine has exposed to high humidity and high temperature. Use and store the
machine in a cool
and dry area.
USB ash drive
does not function.
1. The memory bank of the USB ash drive is damaged.
2. The USB ash drive is not compatible with the machine.
See page 95.
Change the USB
ash drive.
IMPORTANT:
To carry the sewing machine, hold the carrying handle with your hand, and support the sewing machine with the
other hand.
Clean the outside of the machine with a soft cloth. Do not use chemical solvents.
Store the machine in cool and dry place.
Do not store the machine in an area of high humidity, near a radiator or in direct sunlight.
Make sure to store the embroidery carriage arm before turning off the power switch.
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