Start here — before replacing any parts
E024 indicates a motor Hall-sensor fault on the specified YL80C protocol. Inspect the motor lead and connector before buying a hub motor.
First identify the display and its protocol (M5, YL80C, YL80C EU). Codes on one display must not be applied to another.
Manual scope: YL80C protocol; do not confuse with M5 display
Do these checks in order
Follow the steps below and keep a record of what changes after each one. Stop when an actual cause is confirmed.
Confirm the exact YL80C edition and code table; do not apply an M5 E07 interpretation to E024.
Power the bike down and isolate the battery as instructed. Trace the visible cable from the rear hub motor to its mating plug.
Inspect for damage where the cable leaves the axle, misaligned connector arrows, pinching or water contamination. Disconnect/reseat only with power isolated and correct orientation.
Reconnect all covers and power on stationary. Note whether E024 immediately returns, or only reappears when the wheel would be driven.
If the problem is gone
E024 clears after a visibly loose plug is corrected: perform a cautious controlled operational test before riding.
If the problem is still there
E024 persists with good external connections: sensor, phase wiring, harness or controller can be involved; confirm with a shop that has compatible electrical test procedures.
Which cause matches your result?
Use these more specific checks only when the earlier steps point to that possibility.
01E024 points to the motor Hall signal in a specific protocol
Identify the YL80C protocol before interpreting the displayed code.
Treat the code as a starting point, not proof the motor needs replacement.
02The motor cable may be damaged
With the e-bike off, inspect the external motor cable and weatherproof connector for visible damage.
Have a qualified e-bike technician test the Hall circuit and repair only the confirmed failed component.
How can I tell it is actually fixed?
Confirm repeatable normal assist operation with no code and no jerky motor behavior before use.
Before buying a replacement part
Never order a complete motor solely because of E024; verify Hall connector/controller compatibility.
Where this guidance comes from
Primary reference: View the manufacturer or manual reference ↗
Applicability: YL80C protocol; do not confuse with M5 display. Source evidence: ENGWE/YL80C manual code; demand unquantified.
The instructions are original English troubleshooting explanations derived from the listed technical facts; they are not a verbatim service manual. Do not apply them to an unverified revision.