This happens when the tire is flat, to get air into the tire follow this procedure:
- Hold the tire with one hand and grab the rim with a pair of needle nose pliers.
- Tilt the unit so that the tire you are holding is slightly off the surface the pressure washer is on.
- When holding the unit up, hold the tire firmly and rotate the rim with the pliers until the stem is seen through the hole, then pull it out.
- Add the air required to fill the tire.