Question about Karcher K2.26 Electric Power Washer

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Water leaking I have no pressure when the machine is switched on and also water spilling out bottom

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Cracked casing or blown gasket due to freezing and not draining the pump.

Posted on Apr 23, 2014

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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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Basket does not stop far enoght back water spills over top when filling


see the causes and fix it. use the common sense. God bless you
If your washer is overfilling, check these: Water-inlet valve Water-level switch Water-inlet valve A defect in the water-inlet valve may mean that it's no longer able to shut off completely when the electricity has been turned off to it. If this occurs, the valve may leak and drip water into the clothes tub. In time, the water may accumulate substantially. If this happens, you need to replace the valve. Water-level switch A defect--or an obstruction--in the water-level switch may mean that it can't tell the water to shut off. So the machine overflows. This switch senses the water level in the clothes tub. It's usually a diaphragm device with a small, clear tube attached between the switch and the bottom of the washer's outer tub. As the water level in the tub increases, the pressure on the air in the tube increases. When the pressure reaches a certain level, it activates the switch, shuts off the water, and signals the timer to begin the agitate cycle. You can either clear any obstruction in the tube or replace the water-level switch.
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Sep 22, 2012 | Washing Machines

1 Answer

K3.86 The motor will not start. It starts for a few secons than stops. Does not products any power Thanks Jim


Dear Sir,
Normally when one closes the gun the machine stops. So you may have a blockage problem that is shutting the machine off. You may try to diusconnect the gun so that you run the machine without load. But..ALWAYS...with water being fed. Never run a power washer without water being fed. Without gun and water fed normally....your machine should continue working. If so you can attach the gun without the lance. If it works, you have a blocked nozzle in the lance. If so try with a very thin needle to clear the nozzel. Do not make the nozzel's hole bigger with cleaning, because then you lose power. Now these machines stop automatically by means of a control valve (Spill Valve). The spill valve when the gun is closed, pressure is created and the spill valve in turn will move to close the electricity by means of a micro switch. Spill valves give a lot of trouble if machine is left with soap in it, or if the machine is stored with pressure in it. NEVER STORE A POWER WASHER WITH PRESSURE IN IT.....always when finished working disconnect electricity, disconnect water and finally press the gun to release pressure. Well as I already said start by putting on machine without load. Then add the gun without lance so that you see that when you close the gun the machine stops....and when you open the gun machine starts again. All this without lance attached. Also in cases like these the Spill Valve sometimes gets jammed in the cutting off electricity position. Spill valves only need to be serviced with good silicon grease....but in doubt change the spill valve. If you open the machine the spill valve is located where you see 2 wires coming out. You should have special tools to remove and service/change the spill valve. Well hope you have a small idea from where to start.

Apr 19, 2011 | Karcher Garden

1 Answer

The machine does not turn on. It initially did but then shut off. Pressure was weak when it was running.


Dear Sir,
The power washer stops when the gun is closed. This happens because pressure is exerted on a control valve (Spill Valve)...which in turn touches a micro switch and cuts electricity. Now most probably your machine is dead because the spill valve is stuck down and closing the micro switch. This happens when one stores away the machine with pressure still in it. NEVER store a power washer with pressure in it. The spill valve also gets gammed because left with soap and machine not rinsed. I rarely service spill valves...I change with a new one.
To locate the spill valve open cover (using a TORX T15screw driver)...and where you see 2 wires coming out...there is the spill valve. If you can manage to do this..you can try if you want to lubricate it by spraying SILICON spray. If you get it out..you use silicon grease.
Sometimes these machines have the spill valve incoporated with the head....in that case the whole head must be renewed. The lack of pressure is sometimes also due to a faulty spill valve. So if this valve is corrected or changed the pressure returns. Weak pressure also is caused by faulty suction and delivery valves (6 in all). Remove the gun from machine...connect water...and start. Touch the outlet...if you feel suction ...the valves are faulty. Then for a few seconds try to test the inlet. Do this fast so that you do not turn the machine for long without water. If from the inlet you feel pushing....the valves are faulty. Which ever case always change the 6 valves.
Regards,
Fulltech.

Mar 07, 2011 | Karcher K2.26 Electric Power Washer

1 Answer

When hooked up, (electric+water) unit will not activate. Power wanr is squirting water but motor is not on.


Dear Sir,
This is a problem like the ones I explained. I will write again the explanation.
Dear Sir, What happened is that you have a control valve (Spill Valve)..that when pressure is created it will closes down and puts off electricity by hitting a micro switch. This happens if one leaves a lot of soap in the system or more often the machine is stored under pressure. Never store a power washer under pressure!! Now all one has to do is locate the spill valve ...lubricate or change with a new one. Always lubricate with silicon grease. Also never put on a power washer on without water being fed.
The spill valve is usually located where you see 2 wires coming out on the machine inside.
Well just a small reminder.....if you left the machine stored with pressure...most probably you have the spill valve jamed in the closed position, thus cutting electricity off.
Regards, Fulltech

Oct 03, 2010 | Campbell Hausfeld 1800 PSI Electric...

1 Answer

Turn water on then actuate wand trigger. Pressure washer leaks when wand trigger is actuated and has very low pressure/flow output. After releasing trigger the pressure cycles on - off at approx 1 second...


You gave a very close solution yourself for the problem. But other leakages can cause such symtoms.Forexample a leaking head or a leaking chemical inlet. These can be caused because the spill valve (pressure control valve) is stuck. When this valve stucks it will leave a micro switch ON. So the machine keeps working with the gun closed. This will in turn creat internal pressure and damages the head, valves and chemical non-return and even damage outlet hose. So besides fixing the leakages you must check and service the spill valve. I often replace the spill valve. One must also checks if the micro switch is faulty. Now very important that what you mentioned that the machine cycles at one minute intervals, with trigger closed...this is most probably always the spill valve fault. If you open machine you see a place where there is a wire..this belongs to the micro switch...under you find the spill valve. Intake and suction valves may now also have a fault. Also there are systems with non-return valves at the machine outlet. You have to tackle by elimination. Fix the leakage..then tackle spill valve and micro switch.
Fulltech.

Jul 03, 2010 | Karcher PSI Electric Pressure Washer

1 Answer

Water won't come into the dishwasher


The anti flood system could have been triggered due to a water leak or spill at the bottom of the washer, This device (polysireene float and micro switch) when triggered shuts off the inlet water and puts the washer in pump out mode only. Use a torch and check if a small amout of water is causing the float to trigger the microswitch attached to the float. If a small amount of water leak / spill is causing this you need to first fix the spill / leak. before you try again.

Apr 21, 2010 | Crosley 24 in. CDU600 Built-in Dishwasher

1 Answer

Water leaking out of bottom of machine


either tub has leak or bottom seal is bad. you may have to go in from behind washer. View here for more info and don't hesistate to ask more questions:

http://www.howstuffworks.com/search.php?terms=washer+repair

Oct 01, 2009 | Hotpoint Ultima WD72 Front Load...

1 Answer

Karcher 3.97M Short cycles after trigger is released.


Dear csdamman,
There is a valve called the spill-valve. It is often called the control valve. This valve activates the micro-switch. When the gun is released, pressure builds up and compresses this spill valve. At the same time it puts off the micro-switch. This will then stop the machine. Now when the spill valve is faulty it cannot hold compreesion under pressure so it starts de-compressing and starts the machine again. This goes on in a cycle as you explained. So you have to change the spill valve. If the spill valve that operates the micro-switch is part of the upper head,...then the whole head must be renewed. Myself I rarely service Spill Valves. The best thing is to renew it. From your explanation it seems that you did not take notice of this Spill-Valve. Infact when you mentioned Pressure Switch, I do not know if you are refering to the spill valve. If you are....then saying that the Pressure Switch moves and operates freely, does not mean that it is OK.
In certain machines in the outlet...there is a small valve, coloured black and red or green and yellow. This sometimes when faulty, it gives the fault you mentioned. Sometimes an inlet valve gives the fault you mentioned. But from my expirience it is most of the time that the Spill-Valve is the fault.
Regards,
Fulltech.

Jul 21, 2009 | Karcher PSI Electric Pressure Washer

1 Answer

Karcher 550m has lost alot of its pressure,Why ,it keeps running when turned on, without pulling the trigger


Dear emmettbrickw,
Many of the models of Karcher machines, have a valve that under pressure...will compress and at the same time it will let water by-pass and circulating inside the head. As this valve compresses it also puts off a micro switch. This all happens when the gun is closed. This valve is called a SPILL VALVE or sometimes a CONTROL VALVE. Now for various reasons (example you store the machine with pressure in the system)....the seals of this Spill Valve get damaged. So you can have a problem in which the machine stays off....or a problem like yours...the machine continues running with gun closed. Your problem with gun closed...the spill Valve is not compressing and therefore not stoping the machine. At first when this happened it caused a fault also in your machine's valves. The gun was closed...pressure grew high...and this burst the intake valves for sure.
So my advice is that the spill valve must be renewed and also the intake valves. You must also check the Miro-Switch to see if it got stuck in the on position. If micro-switch is faulty, this also must be renewed. The Spill Valve is often located where you find a micro-switch holder with an electrical wire coming out. When you find this micro-switch...detach it from machine...then put on machine for a few minutes and press micro switch to see if machine stops. If machine stops...then at least Miro-Switch is OK. Always do these tests with electrical protective clothing, Shoes and Gloves!! Now if your machine does not have a micro-switch...then you have a spill valve which only by-passes water. This type of spill valve also needs checking and if need be renewed.
In a few simple words, the spill valve does all the work after one has opened or closed the gun. Sometimes by changing the spill valve only....the pressure will get back to normal. If not ...suction and delivery valves must be checked.
Regards,
Fulltech.

Jul 21, 2009 | Karcher Garden

2 Answers

Electric Karcher pressure washer surging when turned on


Dear firenutt681,
One simple thing you can do, is to check for leaks. Check if hose at machine is leaking. Check gun if it is leaking. You can also check if water still comes out of lance nozzel. These leaks however so small, will cause the machine to surge.
Another reason is due to a faulty SPILL VALVE. This spill valve( often called CONTROL VALVE) will contract when the gun is closed. When it contracts under the enclosed pressure it will switch off the machine by means of a Micro Switch. Now if this Spill valve is faulty it will loose its compression under pressure and puts on the micro switch again. This can be seen once in a while or more frequent, as in your case. I sometimes do service Spill Valves, but mostly I replace them with a new one. I do not know the model number of your machine, but normally you have to open the cover and you should spot the spill valve on the head. Most probably you see a thick wire or a cap containing the micro swith. If you find the micro switch, you have found the spill valve. Sometimes it is a bit hard to pull out the spill valve. Myself, in various Karcher models I remove the spill valve by trying to feed water and put on a bit the machine. In this way the spill valve will be spitted out.
Another reason which makes your machine surge, is leakage from from the detergent inlet.
If you do not see no leakages at all....then for sure it is the SPILL VALVE.
If you cannot do this job yourself or you do not find spare parts...you can continue using the machine as it is...but before closing the gun...switch off the electricity. I only recommend this in an emergency. You do this so that you do not leave the machine surging. This surge will for sure damage the electric motor and the capacitor (assuming it is single phase).
Regards,
Fulltech.

May 30, 2009 | Karcher K2.26 Electric Power Washer

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