W256 Code
Check Hasa W256 e-Bike Error Code :
Indication conditions
The power was turned OFF due to the temperature exceeding the guaranteed operating range.
Operational restrictions being displayed
No system functions will start.
Solution
If the battery is at high temperature, leave the battery in a cool place away from direct sunlight until the internal temperature of the battery decreases sufficiently.
If the battery is at low temperature, leave the battery indoors or in another suitable area until the internal temperature rises sufficiently.
Turn the power of the battery ON.
If the situation does not improve after performing the above operations, stop use and contact your place of purchase.