Why is my electric pressure washer not getting pressure?

A common cause for lost water pressure is when the nozzle at the end of the trigger-wand becomes worn or plugged. An uncommon spray pattern may be an indication that there is debris blocking the nozzle. Nozzles that are wearing will usually cause a gradual loss in pressure, as opposed to happening suddenly.

Why does my Karcher pressure washer have no pressure?

A loss of pressure can be caused by a number of things. – Make sure your garden hose and high pressure hose are not kinked, leaking, or blocked in anyway and that the water is turned on full force and supplying the correct amount of water outlined in your owner’s manual.

How do you troubleshoot a Karcher pressure washer?


  1. Disconnect the machine from the electricity supply.
  2. Remove black high-pressure hose.
  3. Connect garden hose to machine using a free flow connector.
  4. Turn on outside tap.
  5. Leave water to run through machine for 5 minutes.
  6. Reconnect black high-pressure hose.

Can a Karcher pressure washer be repaired?

At Kärcher, repairs are carried out by our trained technicians to the highest standards. Complete overhaul of the machine and replacement of any faulty parts*. The functionality and safety of your machine will be checked following the repair.

How do I make my Karcher pressure washer stronger?

How can I make my pressure washer more powerful?

  1. Changing the nozzle to make a pressure washer more powerful.
  2. Changing the pressure regulator or unloader valve to make a pressure washer mower powerful.
  3. Use a different fule to make a pressure washer mower powerful.
  4. Tweak the engine to make a pressure washer mower powerful.

How do I increase the pressure on my Karcher pressure washer?

You simply turn the dial to increase or decrease the pressure. Others have a regulator on the spray wand, similar to the Vario wand on our electric power washer. You can also change out the nozzle tips which alter the impact pressure when spraying.

How do you start a Karcher electric pressure washer?

Attach high-pressure hose between spray wand and pressure washer. Turn water on. Depress trigger on spray wand to purge any water or air from the unit. Depress and hold the trigger on the spray wand to relieve any built-up pressure within the pump and continue to hold the trigger while switching to the “ON” position.

How long does a Kärcher pressure washer last?

The life expectancy, of those pumps is around 60 to 100 hours of use. With higher quality pressure washers, the life expectancy of their pumps is closer to 500 hours.

Is there a reset button on Kärcher pressure washer?

Pressure washer failures often have straightforward remedies. If your electric power washer won’t start, hit the “Reset” button on your power outlet, if it has one, or check your fuse box for a tripped circuit breaker.