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 motor power plug is loose or disconnected. Inspect the 4-pin motor cable. Input Signal Error
Abnormal signals detected (high frequency). Check for external electronic noise or a faulty pedal sensor. Communication Error
The power supply voltage is too high. Check your power outlet or electrical stabilizer. Encoder Error
The fuse for the 12V power supply inside the control box is likely blown. Safety Switch Active
Check if the machine is jammed or if the thread is tangled in the hook. Ensure the motor can rotate freely. Over-Voltage
: A bent or broken needle can cause mechanical resistance. Replace the needle if you suspect it is causing jams.
Timeout between the display panel and the main control board. Check the connecting cables. Positioner Error