: The connector to the motor encoder is loose, or the signal from the encoder is broken. In some cases, this indicates a jammed motor that has overloaded the board.
Lubricate the machine thoroughly. If the machine has been sitting idle, the oil may have gummed up the internal bearings. E7: Positioner (Encoder) Error The machine doesn't know where the needle is (up or down).
Turn off immediately. Check if your power supply exceeds 260V. Low-voltage Check power connection stability; reset the system. E03 Communication Error
Siruba L818F-M1 Troubleshooting: The Complete Error Code and Fix Guide The Siruba L818F-M1
For the series industrial sewing machine, error codes typically flicker on the control box display to signal electrical or mechanical issues. If your machine uses a common integrated servo motor system, you can use the following list to troubleshoot and get back to work. Common Siruba L818F Error Codes & Solutions siruba l818fm1 error list work
Check the voltage stability of your workshop's power supply.
Check for a jammed needle bar or misaligned position sensor. Motor Type Error
The appears when the main board cannot verify the exact rotation speed or angle of the direct-drive motor.
Remove the bobbin case and check for wound-up thread debris around the hook area. : The connector to the motor encoder is
The following matrix covers the primary errors generated by Siruba's electronic direct-drive systems, their physical root causes, and clear mechanical actions required to get them working again: Error Type Primary Root Cause Work & Resolution Step / E19 Overvoltage Protection
: Ensure the needle position sensor (synchronizer) is properly aligned and connected.
: Manually turn the handwheel to ensure the machine is not physically jammed. Voltage Check
: Ensure the needle is inserted completely into the needle bar with the long clearance groove facing the left. Replace bent needles immediately. If the machine has been sitting idle, the
Siruba L818-FM1 is an industrial lockstitch sewing machine typically equipped with an electronic control system. If your machine displays an error code, it usually indicates a motor, sensor, or power supply issue.
If you are encountering errors not listed above, follow these general troubleshooting steps for the :
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Inspect for loose pin connections, frayed wires, or dust accumulation. Securely seat the connector and restart the machine.
Turn the handwheel toward you by hand. It should spin smoothly without catching. If you notice a tight spot at the same point every rotation, check your feed dog timing and needle bar stroke clearance. Restoring Synchronization (E8 Error Work)