Janome Sewing Machine Error Codes
Complete Troubleshooting & Diagnostic Guide
Thread System Errors
E1
Thread Jam Detected
- Turn off the machine immediately.
- Remove tangled thread from bobbin area.
- Clean feed dogs and needle plate.
- Re-thread machine properly before restart.
Motor & Power Errors
E2
Motor Overload
- Turn off machine and let it cool down.
- Remove thick fabric or obstruction.
- Check needle condition and alignment.
- Restart with lighter fabric load.
Needle & Position Errors
E3
Needle Position Error
- Ensure needle is correctly installed.
- Replace bent or damaged needle.
- Check handwheel alignment.
- Restart machine after adjustment.
Sensor Errors
E4
Sensor Malfunction
- Restart machine to reset sensors.
- Check wiring connections internally.
- Clean dust from sensor area.
- Replace sensor module if needed.
Bobbin System Errors
E5
Bobbin System Error
- Remove bobbin and reinstall correctly.
- Check for thread tangles or lint buildup.
- Ensure bobbin case is properly seated.
- Replace damaged bobbin components.
Control & Communication Errors
E6
Foot Pedal Communication Failure
- Check pedal cable connection.
- Inspect for wire damage or looseness.
- Try another compatible foot pedal.
- Restart machine after reconnecting.
Thread Quality Errors
E7
Thread Tension Abnormal
- Re-thread upper and lower thread paths.
- Adjust tension dial settings.
- Use recommended thread type.
- Clean tension discs.
System Errors
E8
Main Board Error
- Restart machine and check if error clears.
- Inspect internal wiring connections.
- Look for signs of electrical damage.
- Service main control board if needed.
Important: For electronic or internal board issues, professional servicing is recommended to avoid further damage.