: Turn off the machine, unplug it from the wall, wait 30 seconds, and restart it to clear temporary glitches.
Note: Many Siruba models share components with Jack machines; for a deeper technical breakdown of error codes similar to the L818FM1, you can consult this Jack Sewing Machine Error Codes Guide.
Apply 2–3 drops of high-grade industrial sewing machine oil directly into the hook race. siruba+l818fm1+error+list+2021
The is a high-performance, single-needle direct-drive lockstitch sewing machine frequently used in industrial garment production. Known for its efficiency, it features an integrated control panel that displays specific error codes (often in an "ER-XX" format) when issues occur.
| Code | Description (Original Text) | Recommended Action (Paraphrased) | | :--- | :--- | :--- | | 700 | 电源电压异常上升 | Turn off power and check the input voltage. | | 701 | 缝纫机主马达驱动电压异常上升 | Turn off power and check the voltage. | | 705 | 电源电压异常下降 | Turn off power and check the input voltage. | | 710 | 缝纫主马达检出异常电流 | Turn off power and check for mechanical abnormalities. | | 711 | 脉冲电机检出异常电流 | Turn off power and check the presser foot/button clamp operation. | | 720 | 机头无法下降 | — | | 721 | 机头无法上升 | — | : Turn off the machine, unplug it from
When the control box detects a malfunction, the error code will flicker on the digital display. Below are the most frequent codes encountered:
The motor or control box is overheated due to continuous, heavy operation. is a high-speed
is a high-speed, single-needle lockstitch machine renowned for its precision in handling thin to medium-thick fabrics. However, even the most reliable industrial equipment can encounter technical interruptions. Understanding the 2021-era error codes and troubleshooting protocols is essential for maintaining production efficiency and machine longevity. Understanding Core System Errors
If you see or E-005 persistently after re-seating cables, call an authorized Siruba service center. Attempting to replace the main PCB without static protection can permanently damage the machine.
Input power voltage is unstable or below the required threshold. Verify steady main power supply line voltage. Safety Switch Error The sewing table safety switch is triggered or damaged.
Note: For complex repairs, it is highly recommended to consult a qualified technician or the Siruba Service Manual .