"Low-voltage protection. Battery voltage lower than threshold."

If your Okai-Electisan vehicle is beeping or has a red wrench icon and flashes this code, read below.

If you clicked the wrong error code, go back to the Error Code Index.

Previous Error Code: Okai Error Code 01E - Next Error Code: Okai Error Code 03E

Cause

Error code 02E on an Okai scooter indicates that the battery voltage has fallen below a safe operating threshold (43V). This can happen due to:

  • Depleted battery: The scooter has been used extensively without recharging.
  • Battery damage: The battery may have internal damage or is nearing the end of its lifespan.
  • Faulty ECU sampling circuit: The ECU's circuit responsible for monitoring battery voltage is malfunctioning.

Fix

  • Charge the battery: Connect the scooter to a suitable charger and allow the battery to charge fully.
  • Check Battery Health: After charging, if the error persists, consider the following:
  • Battery Age: If the battery is old, it may be nearing the end of its lifespan and needs replacement.
  • Physical Inspection: Examine the battery for any signs of damage (bumps, cracks, leaks).
  • Replace the ECU: If the battery is in good condition and charging doesn't resolve the issue, the ECU may be faulty and needs to be replaced.