Siruba+l818fm1+error+list+2021 Access

Poor connection between the motor encoder and the control box. Re-insert the encoder plug securely. Motor Connection Error

Check if the machine is jammed or if the thread is tangled in the hook. Ensure the motor can rotate freely. Over-Voltage

If you encounter an error not listed above or if the code persists after the initial check, follow these general maintenance steps: siruba+l818fm1+error+list+2021

Sewing Machine Error Code Guide | PDF | Power Supply - Scribd

The machine head is tilted back or the safety switch is not in the correct position. Poor connection between the motor encoder and the

The motor power plug is loose or disconnected. Inspect the 4-pin motor cable. Input Signal Error

Timeout between the display panel and the main control board. Check the connecting cables. Positioner Error Ensure the motor can rotate freely

: Ensure all plugs on the back of the control box are seated firmly. Vibrations from industrial use can occasionally loosen cables.

For advanced technical parameters, you can refer to the official Siruba DL720 Series Electronic Manual which shares many control system commonalities with the L818F series. If the control box itself is faulty, it may require replacement by a certified technician.

Abnormal signals detected (high frequency). Check for external electronic noise or a faulty pedal sensor. Communication Error