The motor power plug is loose or disconnected. Inspect the 4-pin motor cable. Input Signal Error
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.
Check if the machine is jammed or if the thread is tangled in the hook. Ensure the motor can rotate freely. Over-Voltage siruba+l818fm1+error+list+2021
The needle position detector is not sending a signal. Ensure the detector is properly aligned and plugged in. Solenoid Short-Circuit
The Siruba L818F-M1 is a high-speed, single-needle industrial lockstitch machine often equipped with electronic control systems for automatic thread trimming and positioning. When these systems encounter issues, the control panel displays specific error codes to alert the operator. The motor power plug is loose or disconnected
: A bent or broken needle can cause mechanical resistance. Replace the needle if you suspect it is causing jams.
: Ensure all plugs on the back of the control box are seated firmly. Vibrations from industrial use can occasionally loosen cables. If the control box itself is faulty, it
Sewing Machine Error Code Guide | PDF | Power Supply - Scribd
Based on standard industrial control box documentation for the Siruba L818 series, here are the most frequent error codes you may encounter: Error Code Description Recommended Action Motor Stall / Overload
The power supply voltage is too high. Check your power outlet or electrical stabilizer. Encoder Error