Check for mechanical obstructions or thread jams in the machine head or motor. E4 / ERR18 Data transmission error
| Error Code | Message | Possible Cause | User Action | |------------|---------|----------------|--------------| | | Motor overload | Thread tangled, material jam | Remove fabric/thread, restart | | E-03 | Needle position sensor error | Sensor dirty/misaligned | Clean sensor, recalibrate | | E-05 | Foot lift solenoid failure | Solenoid stuck or disconnected | Check wiring, replace solenoid | | E-07 | Thread trimmer error | Knife stuck, magnet switch fault | Clean trimmer mechanism | | E-08 | Low voltage (under 180V) | Power supply unstable | Check mains voltage | | E-10 | Main motor encoder fault | Encoder disconnected/damaged | Replace encoder board | | E-12 | Control panel communication lost | Cable loose or panel faulty | Reconnect panel cable | | E-15 | Overcurrent | Short in motor or driver | Cycle power; if persists, service | siruba+l818fm1+error+list+2021
Based on the model number , you are working with a single-needle, flat-bed, lockstitch industrial sewing machine . This machine is part of Siruba’s heavy-duty direct-drive series, commonly used for medium to thick materials (jeans, bags, uniforms). Check for mechanical obstructions or thread jams in
The power supply voltage is too high. Check your power outlet or electrical stabilizer. Encoder Error The power supply voltage is too high
For further technical adjustments, you can download the Siruba L818F Instruction Manual from Elizabeth Machines or view parts lists at Scribd .
Does the error appear or when you start sewing ? What is the exact error code (e.g., ERR3 or E003)?