Page 30
Baby Lock Tiara Instruction Manual
Stitch Quality is Poor
Corrective Measure
• Adjust the tension of the needle thread after ensuring the bobbin tension is
adjusted correctly (see pages 19-20).
• Tension is not balanced
• Since thread slides over the surface of the bobbin case at a high speed, make
sure the case is free of any lint or foreign matter that could impede thread
passage through the machine.
• Bobbin case is damaged, cor-
roded, dirty, et cetera
• The My Speed setting should be adjusted to a value that will allow you to sew
comfortably and confidently with the foot pedal fully depressed. Discover a
method of holding the fabric that is most comfortable.
• Moving the fabric or depress-
ing the foot pedal inconsist-
ently
Tension Is Poor
Corrective Measure
• With some threads, lint and other material can build up under the tension
leaf spring and begin to lift the spring. This reduces the spring’s ability to
compress against the thread. By inserting a needle under the spring and
clearing out the lint, the bobbin tension will return to the previously set ten-
sion.
• Lint caught under the tension
spring in the bobbin case
• If the bobbin is wound too tight or too loose it can lead to poor and inconsist-
ent tension. Make sure when the bobbin is wound that the thread tension is
not so tight that the wound bobbin thread feels hard and causes the bobbin
sides to bulge. It should also not be so loose that the thread is spongy, which
can cause the thread to tangle as it is wound.
• Poorly wound bobbin
Hand Wheel Won’t Rotate
Corrective Measure
• Turn off the machine and remove the power plug from the electrical outlet.
Remove the bobbin case from the machine. Lubricate the hook, then manu-
ally rotate the handwheel clockwise and counter-clockwise several times.
Remove the thread caught in the hook.
• Thread is entangled and
caught in the hook
Thread Nests Under Quilt
Corrective Measure
• Check that the machine is threaded correctly. Make certain that the thread is
flossed snugly in place between the two tension discs. If the machine is cor-
rectly threaded, tighten the top tension by rotating the tension knob clock-
wise.
• Not enough tension on top
thread
• Refer to the threading diagram and threading instructions on pages 16-17.
• Improper threading
Motor Fails to Run
Corrective Measure
• Turn the machine on only by using the switch on the back of the power pod.
Verify the power cord is plugged in tightly at both the machine and the power
source.
• On/Off switch is off or power
cord is loose
• Verify that the foot pedal is plugged in. If the main screen status message in
the upper left hand corner states “Check Pedal”, then the pedal is not prop-
erly installed.
• Foot pedal is unplugged
Troubleshooting
