A batch of power boards produced in early 2021 used capacitors from a sub-supplier. These fail after 8-10 months of continuous use. Symptoms: random E-099, then failure to power on. Replace the main filter capacitor (digikey part # 493-15855-ND) or order updated PCB (Siruba # PCB-818-21B).
: Securely re-insert the encoder connector and check for broken signal wires. E4: Locked Motor / Connector Error siruba+l818fm1+error+list+2021
The solenoid wiring might be shorted or the coil is defective. Replacement of the solenoid may be necessary. +12V Power Supply Fuse A batch of power boards produced in early
Official documentation and further guidance can be found through the SiRUBA Electronic Control Parameter Manual SiRUBA Instruction Book portal Direct drive sewing machine error code fix needed Replace the main filter capacitor (digikey part #
: The motor is physically locked, or the motor connector is not properly inserted.
Features a built-in lubrication system (self-oiler) and noise-suppression technology for quieter operation.
The following list summarizes the critical error codes and troubleshooting steps for the Siruba L818 series based on official technical documentation from KAULIN/Siruba . Siruba L818F-M1 Primary Error Codes Error Code Probable Cause Action/Inspection Voltage/Torque Error Power voltage is too low or motor torque is too high.