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My pressure washer has the same psi whether its on or off. when it is on all it does is make a humming noise

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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

tragedy lok
  • 266 Answers

SOURCE: air compressor can't start (hums) under pressure

maybe high pressure vavle is bad

Posted on Jun 20, 2009

  • 174 Answers

SOURCE: Air compressor motor stalls under pressure

this sounds like a bad pressure switch.if the unit is not shutting off at the same pressure each time this would be the cause.2 if the pressure is not unloading the air pressure on the compressor side of the unit it will cause the unit to struggle when it starts a cycle because the piston is under a load .how this works is say the unit starts from 0 psi when it get to the desired pressure you have it set on the unit kicks off . the other adjustment most units have on them is what pressure to cycle back on.so when the unit reaches say 100 pounds ,it kicks off and bleeds the air off the compressor side so when it starts back up it wont start up with pressure on the piston.

Posted on Jun 22, 2009

  • 174 Answers

SOURCE: How much oil in pump...Craftsman 2200 PSI pressure washer

Hello:
Best to use NON DETERGENT 10W30. Be sure you fill the reservoir only 1/3 to less than 1/2 full.

Posted on Aug 26, 2009

seanpwright
  • 2030 Answers

SOURCE: My Karcher 1750 psi electric pressure washer is

thats normal, it is reducing the built up pressure that is not needed until the trigger is pulled.

Posted on Apr 01, 2010

  • 1 Answer

SOURCE: troy-bilt 2200 psi pressure washer

I have a Troybilt Model 2200 PSI Pressure Washer in which I have used only 2 times in the past 2 1/2 years. Went to use it this past weekend and the pump in not working. Water shoots out of the side. I bought this brand and model as I thought Troybilt was suppose to be so good. Went back to where it was purchased and had no success but to say I could buy another pump or take it in to be repaired. I believe that this power washer should be replaced at no charge. 2 uses does not constitute a few hundreds of dollars.
Have you to heard anything concerning pump problems on this particular model? Thanks for any advice. .

Posted on Jun 08, 2010

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1 Answer

What is this problem - Karcher 3.86 electric pressure washer: humming noise, plug gets very hot, then unit shuts down?


Your pressure washer is either not fitted with a run/stop device in which case like mine you have to switch off within a few seconds of closing the trigger. Check your model features?
The humming noise is the motor stalled out against the pump because there is nowhere for the water to go. The shutoff is caused by the safety overload switching off after overheat.
Or, it has a pressure operated run/stop which is not working. Because water and electricity don't mix, I would suggest getting more specific help. You can download Karcher manuals /spares lists online from Karcher specialists but remember electricity is the silent killer.

May 20, 2014 | Karcher Garden

2 Answers

Electric Pressure washer hums but does not work.


guess is that someone started it without water...and seized the piston. You can try spraying silicon spray into the water intake (lots of it) and then see if that frees the piston. You can start it for a moment without water after spraying silicon into the intake. The alternate ( not recommented) is to open the pump housing and spraying directly into the piston to free it up.... Good luck.

May 16, 2014 | Greenworks 1600 PSI 1.3 GPM Electric...

1 Answer

What is the price and types of the pressure washers and where can i buy it?


Hi mary
About the price i think Mr JERRY is true
About the types there are many types like : -
- 2000 PSI Electric
- Gentron 2200 PSI Gas Pressure Washer
- Gentron 3000 PSI Gas Pressure Washer
- Gentron 2200 PSI Gas Pressure Washer
- Gentron 4200 PSI
- 1600 PSI Electric Pressure Washer
- 2000 PSI Electric Pressure Washer
- 2200 PSI Gas Pressure Washer

And about the place you can buy these products, you can find many depots online like : -

http://www.generatordepot.us/pressure-washers.aspx

Thanks

Oct 30, 2011 | Garden

1 Answer

I have a Karcher 3.49M purchased 8/2/09. Using the washer I inadvertently turned on after changing hoses, but forgot to turn water back on; this activation lasted only a couple of minutes before I realized...


Normally when you dry run a machine you damage the pump so it would probably need changing. The motor might be Ok but for you to fix it you will need to take it to a Karcher dealer/service center.

From experiance it sometimes can be more cost efficient to purchase a new Karcher machine and get the 12 month warranty than spending money on an older machine.

Jan 19, 2011 | Karcher PSI Electric Pressure Washer

1 Answer

Washing machine does not spin


Hi,
Just check whether are you hearing any humming noise from the machine fi you hear humming noise means kindly replace the motor of the unit

Jan 20, 2010 | Whirlpool Ultimate Care II LSQ9549L Top...

1 Answer

Kranzle Pressure washer...seems to be no power to the machine..checked switch and all connections all fine but no power to the machine


Could be that the fuse in the plug needs replacing.

Does the machine make any noise? Does it buzz/hum when you try to turn it on? - If yes, a starting capacitor is required.


Nov 19, 2009 | Electric Kranzle Professional 1600 PSI...

2 Answers

Losing pressure somewhere


Hi, I work in the italian factory of Karcher. In my opinion the problem is caused by the breaking of the collector. This is a black component of plastic where is inserted the detergent suction valve and the safety valve. To replace this component you have to go in a repair center Karcher.

Nov 24, 2008 | Karcher 1750 psi Electric Pressure Washer

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