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New DXPW3025 shuts off immediately if wand trigger is not held open. The 2 minute delay does not appear to be working.

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 10 Answers

SOURCE: pressure washer stalls out when wand nozzle is released

common for not starting unless trigger engaged as you are turning the pump as well as engine creating pressure,as for stalling pump has unloader valve which is probably in need of grease(use good silicone grease)this allows water to ciculate when trigger released.

Posted on Apr 20, 2009

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rockitman187
  • 2559 Answers

SOURCE: pressure surge on and off for 2 seconds w/ new Karcher

It can be one of three conditions,

  1. The water supply in is not sufficient
  2. The pump oil is low
  3. The seals are bad in the pump.
I would check the first one first as this is the most common problem.
The water supply hose should be a high volume hose of at least 1/2 inch but 5/8 inch or greater is best.

Posted on May 09, 2009

  • 104 Answers

SOURCE: Karcher K 3.68M Electric Pressure Washer. Wand trigger Locks Up.

Sounds like the pressure valve is broken thats why you cant depress the trigger , the valve is on the pump , i would suggest taking it to a repair shop as they are fiddly things to fix

Posted on Jun 05, 2009

brado83
  • 106 Answers

SOURCE: my karcher pressure washer is switching on and off

unfortunately these little units have this problem commonly, 9 times out of 10 it will be the plastic head on the unit will be cracked and leaking slightly... it builds up pressure then leaks out and tries to build up the pressure again and this just reoccurs over and over...

you can get this repaired but is normally about half the cost of a new unit, if the pressure is still okay i would probably recommend just keep using it until it proper dies...

If you do get this fixed, we have studied into this and believe the main cause of heads cracking is warm water say if your inlet hose is in the sun for a period of time this can cause the water to become quite hot or if the unit sits and water trapped inside the head assy freezes can also cause this.

Posted on Sep 17, 2009

  • 8 Answers

SOURCE: let go of wand trigger pressure will not come back

spill valve is stuck and needs to be cleaned and greased common problem....also check all connections for blockage in line

Posted on Jul 25, 2010

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1 Answer

Karcher electric power washer480 .pump runs on when trigger is released there are no leaks . Also i can not turn machine off at the main switch.


If you are unable to shut off the pressure from the wand, there may be an issue with the unloader valve that is stopping it from switching into bypass mode when the trigger wand is released. The unloader valve is designed to respond to the spike in pressure created when the trigger wand is released, and to divert the flow of water coming from the pump to bypass the pressure hose and flow back into the intake end of the pump. If the unloader valve fails to switch into bypass mode, water may continue to flow out of the trigger wand. This may also cause damage to the wand. If you are unable to shut off the pressure from your power washer, stop the engine and discontinue use immediately. The unloader valve should be removed and possibly replaced if found to be malfunctioning. The inability to stop the flow of high-pressure water from the wand can be dangerous and should be fixed before continuing to use the machine.

Dec 28, 2017 | Karcher Garden

1 Answer

Dxpw3025 motor drops rpm when triggers pulled


Look at the size of your spray nozzle, it may be too small causing excessive back pressure and thus excessive strain on your engine. Your nozzle should be a 3.0. If you are using the 25 degree nozzle for example, it should say 2503 on the side of the nozzle.

Nov 26, 2016 | Dewalt Pressure Washer - DXPW3025

1 Answer

The machine shuts off when you let off the trigger. Seems like pressure must build up and it shuts off.


Your unloader bypass system has failed. Several pumps were used on this model, see link for parts breakdowns.

Sep 28, 2014 | Dewalt Pressure Washer - DXPW3025

1 Answer

Won't stay running


Pressure washer when you first try to start them that stop underload. We had the same type of problem with 11 hp Honda if you hold the trigger open the motor will be under less load we found by running the motor for about a minute it would work normally. Remember to make sure the water hose is turned on pull the trigger on, until water is coming out of the wand , now try and start the motor but also hold the trigger open, now you will not be building maximum pressure, after about a minute release the trigger and see if it keeps running.

Feb 19, 2011 | Briggs & Stratton 2200 PSI Gas Pressure...

2 Answers

Let go of wand trigger pressure will not come back


spill valve is stuck and needs to be cleaned and greased common problem....also check all connections for blockage in line

Jul 21, 2010 | Karcher 2500 PSI Pressure Washer

1 Answer

Motor does not shut off when trigger on wand is released


When the trigger is released, pressure builds up and this acts on a valve (spill valve or pressure control valve). When this pressure is big enough it will push the spill valve out and closes a micro switch. Now this Spill Valve gets stuck sometimes, mainly due to soap and chemicals...so the micro switch is not closed...so the machine contiues running. If this is left likee this it will cause damage to the valves. So all one has to do is service the spill valve or as I usually do I replace it. There are cases were the micro switch is damaged also..and needs to be replaced. To see the spill valve and micro switch you must open the cover. The spill valve is located where you see a cover with an electric wire coming out of it. If the micro switch is good...you must tackle the Spill valve.
Regards,
fulltech.

Jul 17, 2010 | Karcher PSI Electric Pressure Washer

1 Answer

New Troy-Bilt 3000 psi - Very Hard to Hot Start


When you run the unit and shut if off, release the pressure from the spray wand before trying to restart the engine. This built up pressure will cause it to be very hard to start as you have found out. If it does not start on the second pull release the pressure again. Another option is do do what I did on mine. I simply put a pull tie on the handle so I can pull the trigger back and use the pull tie to hold the trigger open. Make sure if you do this, that you remove the high pressure orifice from the end of the wand before attempting to start the engine. Otherwise the pressure will come on abruptly and could injure you or do property damage.

Apr 25, 2010 | Briggs & Stratton Prosumer 20324 Gas...

1 Answer

PWER WASHER RUNS PERFECT, WHEN WATER COMES ON, IT STALLS. BUT IF YOU PULL TRIGGER BACK ON WAND, THEN SPRAYER WORKS. THE MINUTE YOU LET GO OF TRIGGER, IT STALLS OUT.


hi you have got a fault with the unloader it's not unloading so its going a bove the 13amps and knocking the thermol overload out or blowing a fuse you could cable tie the trigger open or get a new unloader kit costing about £70.00 regards

Feb 17, 2010 | RTO 1800 PSI Pressure Washer

1 Answer

I just bought a 2nd hand honda excell psi max vr 2522 2.2 gpm max 5.5 hp gvc160. i put gas and oil and it wouldn't start?


Have a helper hold the trigger of the wand open while you try it again. If it starts that way you have a sticky unloader valve in the pump. DO NOT RELEASE the trigger for more than 10 seconds if the engine continues to strain when released! If the engine doesnt run freely when you let go of the trigger, pull it again and shut down the unit!
Add some power steering fluid to your supply hose (about 3 or 4 ounces at a time) and restart the unit with the trigger pulled. Allow the oil to flow through the pump for 1 - 2 minutes for each treatment. Several treatments should make the pump and valve happy again.

Hope this helps.

Sep 25, 2009 | Karcher 2500 PSI Pressure Washer

1 Answer

Ex-Cell VR2500 Builds Pressure but Won't Spray


I have a similar problem and diagnosed it to be a problem with the gun. I spoke to a technician that services this pressure washer and he walked me through all the diagnostic steps. The pump is working because there is pressure being built up and the gun sort of works because you can get water out before the washer is started. The technician said that the mechanism inside the gun is either clogged or broken. I am going to Home Depot or Lowes to purchase a new gun and will try it tonight. Guns are only about $30-40. He said generic is fine as long as the thread matches and PSI is in range. Good luck!

Aug 09, 2009 | Karcher 2500 PSI Pressure Washer

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