Earthwise pressure washer

Check all ends of your power wand. there should be a little filter and if it gets plugged the motor will shut down. Check both ends of your wand. The sprayer end should come off and mine has a filter if you take the sprayer end off.

The connection is made at the bottom of unit.
should be standard garden hose.
sometimes I find if I gently hold hose against connection point then rotate counterclockwise until I feel a click! then ( without lifting hose) rotate clockwise and hose should now be threaded onto power washer.

Maybe bad pump. Remove wand and wand hose, run machine with water in. High pressure water coming out of wand/hose connection, bad wand or hose. No high pressure water, bad pump, replace.

Bad wand or bad wand tip. Do a complete engine tune up and oil change. 30w oil.

lack of good water supply
partially blocked jet at the end of the wand.

If you are referring to an electric washer,The wand for the detergent is a double action wand. You usually pull the wand end out for low pressure and detergent flow.

You can can find the manual and parts in this link,
http://www.ppe-pressure-washer-parts.com/earthwise-pressure-washer-parts-breakdowns-manuals

It should have a tube on it put it in your bleach bottle and use the black tip for dispense 1/2 bleach/1/2 water

you need to use i believe the black tip where there in least pressure it does not work with pressure

change the sparkplug