- Ensure the battery is installed correctly.
- Ensure the battery is charged.
- The battery made by damaged or may have overheated. Visually inspect the battery for damage. Replace the battery if it is damaged or not working. If the battery overheated, allow the battery to cool.
- The hose is pressurized. The pump turned OFF automatically. Squeeze the shut-off lever to see if the sprayer starts and the pump turns ON.
