Motor plug / locked head / overload. The motor is not turning as commanded: a loose motor plug, something jammed in the head or belt, or material too thick for the motor.
What to check
- Switch off; check the motor plug, turn the hand wheel to find a jam, and check the material thickness.
Switch the machine off before touching any connector. If the code comes back after these checks, the fault is usually in the servo motors or belts or hooks and shuttles.
Request a repair for this error or WhatsApp the code and your model to +91-9643480908 (Monday to Saturday, 10:00 AM to 8:00 PM (closed Sunday)).
Source
Summarised by Shankar Sewing from the Maintenance Manual (page 2). The manual has the complete procedure and connector numbers for your exact model.
Other Jack error codes
E01 Supply voltage too high · E02 Supply voltage too low · E03 Panel – CPU communication error · E05 Speed controller (pedal) contact fault · E08 Manual operation over 15 seconds · E10 Solenoid over-current · E11 Position signal abnormal · E14 Encoder signal abnormal · E15 Power module over-current · E17 Head protection switch · E20 Motor failed to start · all Jack codes
Frequently asked questions
What does Jack error E07 mean?
Motor plug / locked head / overload. The motor is not turning as commanded: a loose motor plug, something jammed in the head or belt, or material too thick for the motor.
How do I fix Jack error E07?
Switch off; check the motor plug, turn the hand wheel to find a jam, and check the material thickness. If the code stays, the fault is usually in the servo motors or belts or hooks and shuttles.
Which Jack machines show E07?
The Maintenance Manual lists E07.