BE-0901E-AC-PC• BE-1201B-AC-PC- Page 235

BE-0901E-AC-PC• BE-1201B-AC-PC

12-3

Chapter 12 Troubleshooting

Problem

Check point

!

Machine operation abnormal

• Is any set screw of the rotary encoder loosened?
• Is any set screw of the machine pulley loosened?
• Is any set screw of the machine motor pulley loosened?
• Is embroidery data normal?
• Is the XY carriage belt damaged?
• Are any set screws for the XY pulley loosened?
• Are any set screws for the coupling of the XY pulse motor

loosened?

!

Upper shaft locks at a certain
point in one cycle

• Is the thread take-up stopped due to interference with the upper

case cover?
[Adjustment]]

W1635

Loosen the hexagon socket head cap screw of the thread takeup
operating lever and adjust the take-up movable range.
Tighten it securely afterwards.

• Are the needle bar clamp and the top dead center stopper

positioned correctly?

!

Upper shaft pulley does not turn.

• Is the presser foot lifted at a retract position when the power is

turned on?
Lower the presser foot using the lever.

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!

Stitches cannot be made..

• Is the needle attached properly?
• Is the timing of the needle and rotary hook correct?

Needle case

Upper case cover

Bolt

Thread take-up

operating lever

Thread take-up