Siruba+l818fm1+error+list+2021 Jun 2026

Dust accumulation around sensors (especially in the bobbin area) can trip optical sensors and trigger false errors.

For computerized errors, try turning the machine OFF and ON again to clear temporary glitches. siruba+l818fm1+error+list+2021

: Check oil levels daily. Refill if it falls below the "L" line on the gauge. Dust accumulation around sensors (especially in the bobbin

: This often indicates the power voltage is too low or the sewing machine load torque is too high (mechanical bind). It can also mean the presser foot was not lowered before starting. Refill if it falls below the "L" line on the gauge

: Confirm your power supply matches the machine's requirements and check for high-speed mechanical momentum issues. E3: Encoder Signal Error

Power off for at least 1–5 minutes to allow capacitors to discharge. Check that all cables from the control box to the sewing head are firmly plugged in. 2. Needle Position Misalignment (ERR3)