ch and condenser as advised previously however there is no life from the motor at all. When the lance trigger is pressed water does flow however this is minimal.
Karcher

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If the pressure washer trips the fuse board or blows the electrics in your home, make sure there`s no water in the switch or the other electrical items – and again examine the capacitor if your model carries one.
PLEASE NOTE: You should always press the RESET button on the GFCI before using the pressure washer.
Begin isolating the problem by hooking a water hose to the washer`s inlet and turning it on. If water flows out the outlet, you know water is cycling through. If not, chances are your inlet filter is clogged. Remove and clean it, and you should be good to go.
Here`s how it works, devices from the Home & Garden range can be repaired in our repair centres. Machines within their warranty period are repaired free of charge subject to our Home & Garden terms and conditions.
There are multiple causes which can result in a washing machine tripping the electrics, such as the motor, the heater, the supressor, a wire shorting out, or water leaking onto an electric part.
The main reasons for tripping of a fuse or RCD when the appliance is the problem is normally an earth leakage or dead short. This usually takes place each time you switch on the product. Some washing machines may trip when particular functions are in use.
These include a clogged nozzle, a blocked inlet water filter, or a malfunctioning pump. It could even be the water supply itself – not the pressure washer. When troubleshooting pressure washers, the best approach is to check the easiest solution first and rule it out before proceeding to more intensive repairs.
When the power washer does not turn on, it is either due to no water flow or no electricity going to the power washer. In other words, either a water flow or an electrical problem. The first area to check with the customer is water flow. There must be water flow through the system for the unit to turn on.
Check the Fuse: If you have done all the repairs and replacements and your electric pressure washer is still not working, it may have something to do with the fuse. Inspect the fuse if it is blown or not. Replace the blown fuse with a new one and test the device again.
The number one cause of low or no pressure when using a pressure washer is a blocked or worn nozzle. Blocked nozzles will prevent water from escaping, while a worn nozzle will allow too much water to pass through, causing the pressure to drop.
The run capacitor in a Karcher pressure washer motor plays a crucial role in ensuring that the motor runs smoothly and efficiently.

Discover Relevant Questions and Answers for Your Specific Issue

the most relevant questions and answers related to your specific issue

I have a karcher 2.o1 pressure washer does not work when i turn the water on, if i turn the water off it works, cant figure it help , help please
ANSWER : Please try without the high pressure lance on. If this works then you may have a blocked jet in the lance.

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Karcher 4.91 checked fuse that is ok but no power
ANSWER : Check and see if you are getting power to the on/off swith. These switches have been known to go bad. Also, check the Ground fault breaker in the plug. Let me know how you make out.

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I have a K3.68m. I hook up the water turn, on the unit, the hose pressurizes but when I pull the trigger nothing happens. This unit is only about a year old and only used twice. It did the same thing intermittently before. The trigger has a different feel like a switch is not actuating or something when it does this. Please advise. Reg
ANSWER : Sounds to me like you have a partially blocked jet on the end os the lance. If this is not clear then the machine will not start correctly.

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I have a Karcher B402 Pressure Washer and when i plug it in and turn it on – nothing happens, not a sound. I have checked the fuse and the plug itself and this did not help. I contacted a service technician and they said it would cost £45/hr to have a look and it probably wasn’t worth fixing! Is there anything i can try to narrow down the problem/fix it myself. Any ideas what might have gone wrong? Sorry i can’t give you more info. Cheers
ANSWER : Hi if you remove the torx screws that hold the electric box on and then bypas the on/off switch join wires together. and check the pressure swicth if it is the pressure switch you can bypass this but the machine wont shut down regards

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I have Karcher 520m and when you press the trigger you can hear what sounds like a relay engaging but there is no water pressure, then it will fire up and work, but next time you press the trigger the same thing happens, I have been using it on harvested water, but even connected to the mains it does the same thing. Its now got to the stage it doesnt want to work at all.
ANSWER : The issue you are having is with the unloader valve in the pump. Now with the 520m it is a little bit harder to repair than with more gasoline powered pressure washers but it can still be done. It would be easier if I could just send you a email of the breakdown on the machine. Send me a email to [email protected] with the discription of the problem you are having.

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I have had 3 Karcher pressure washers all experience the same problem and so have two of my neighbors. Our area has very hard water and it causes problems with the washer not bringing up the pressure when the trigger is pulled (or surges up and down) and the nozzles clogging, etc. The service repair facilities cannot tell me how to prevent this. Many attempts to contact Karcher for advice have been ignored. I have been thinking that perhaps running the engine for a few seconds with no hoses attached and shooting WD-40 as a water displacer into the hose inlet might work. Do you have any recommendations or suggestions? My most recent purchase of a Honda pressure washer lasted only two uses and the pump froze up.
ANSWER : If your water is that hard (and it appears it is) WD40 will NOT solve the problem. You should look into a water softener. However, chances are that a small, inexpensive model will not have the flow capacity required for a pressure washer. You’ll likely need to look at a larger, whole-house model.

Use vinegar to through the machine’s “soap” dispenser to break up the hard water deposits or a heavier solvent such as CLR which is available at most retail outlets.

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Since I have heard that Stucco should not be pressure washed at greater than 800 psi, how should I use my non-adjustable 1500 psi Karcher Washer for this job?
ANSWER : You can keep a greater distance from the stucco in order to not have the full contact pressure on the surface. Then if it is not doing a good job move closer to the surface. Another option is to buy a vario lance for your model.

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When pressure washer engine is running and hooked to water supply, there is no water spray with trigger is depressed
ANSWER : Hi Have you checked that your nozzle in the lance end is not blocked. Please try this and then try without the high pressure hose attached.

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