Siruba L818FM1 is an industrial lockstitch sewing machine primarily designed for light-to-medium weight fabrics. Because it is a mechanical machine, it does not typically display digital error codes like "E-01" or "E-07" unless it is paired with an external electronic servo motor (e.g., Ho Hsing or ISM).
Power module abnormality. Turn the machine off for a few minutes and restart. If persistent, the power board may need repair. Safety Switch Error siruba l818fm1 error list work
The motor cannot turn. Check for mechanical jams in the handwheel, hook, or needle bar. Ensure the motor connector is securely inserted. Motor Signal Error Siruba L818FM1 is an industrial lockstitch sewing machine
Machine tip-over protection or bad connection at motor connector. Sewing continuously at extremely high speeds for too long
Motor Overheating Error
I can provide the exact mechanical adjustment steps if you have the tools ready.