Siruba L818F-M1 industrial sewing machine, error codes typically appear on the control box display to signal electrical or mechanical issues. The most common errors related to the drive system include voltage irregularities, motor locks, and signal failures between the encoder and control unit. Common Error Codes & Troubleshooting Error Code Probable Cause Voltage or Load Issue: Supply voltage is too low or machine torque is too high.

Verify the power plug and motor nameplate voltage match (single vs. 3-phase).

Check if the motor's safety switches are engaged or if a fuse has blown. : Adjust the presser foot pressure using the top knob.