
- Turn off the Power Source. Unplug the device from the power source before initiating the repair.
- Check if the Device is Really Broken. Troubleshoot the device first to find out if it is indeed broken. ...
- Check the O-rings. The pressure hose couplers have o-rings that may be damaged. Check the o-rings to determine if they need replacing.
- Install New O-rings. Purchase a set of new o-rings from a supply store and replace the old ones with the new set. ...
- Open the Water Pump. Open the fill cap on the water pump by removing the screws. ...
- Check the Fuse. If certain repairs and replacements have been done and the electric pressure washer still does not work, it may have something to do with ...
- Seek Professional Help. If the pressure washer emits a burning smell, the internal parts of the washer may have been damaged by a sudden surge of electricity.
Full Answer
How to fix a broken electric pressure washer?
Why Does My Greenworks Pressure Washer Keep Shutting Off?
- Check the unloader valve. The easiest way to check the unloader valve is by adjusting the spring of the unloader valve. ...
- Unplug the pressure washer. For safety reasons, remove the power cord from the wall socket.
- Remove the top and take off the nob. ...
- Lock the nuts, clip the pressure gauge and start tightening the spring. ...
What is the best electrical pressure washer?
What to look for when choosing the best electric pressure washer
- PSI and GPM. All the electric pressure washers come with ratings known as PSI (pound per square inch) & GPM (gallons per minute).
- Detergent System. The detergent tank becomes very useful when you want to clean the target surface thoroughly; however, not all the electric pressure washers come with a detergent tank.
- Durable High-Pressure Hose. ...
- Spray Wand. ...
What is the highest rated electric pressure washer?
What to consider when buying a pressure washer
- Light-duty pressure washers usually have a PSI between 1,300 and 1,900
- Medium-duty pressure washers are typically between 2,000 to 2,800 PSI
- And heavy-duty machines have a PSI above 2,800
How to start an electric pressure washer?
Now you’re ready to start the pressure washer
- Place the fuel valve to the open position.
- Move the choke to the open position.
- Move the engine throttle to full throttle position.
- Now, move the startup switch to the “ON” position.

Why has my electric pressure washer stopped working?
Remove and clean it, and you should be good to go. Assuming water is flowing through the pump properly, start the engine, hook up the hose and wand and see if it works. If not, you have a collapsed or kinked hose or a clogged wand. Both problems can most likely be fixed quickly without professional help.
Where is fuse on electric pressure washer?
Some electric pressure washers have a GCFI located near the end of the power plug. Press the button to reset the GFCI on the power cord to get your pressure washer electrical power. A fuse is usually located in the GCFI area of the electric power washer power cord.
What is the most common problem with pressure washers?
Summary Table of Troubleshooting Tips:Water Pressure Problems1. Low pressureNone or incorrect nozzle2. No pressureDamaged unloader valveDamaged pump inlet valves/manifold3. Pulsing pressure (high then low)Damaged pump inlet valves/manifold55 more rows•Jun 9, 2022
Why does my electric pressure washer start and stop?
Water leaking from a loose connection can cause the unit to cycle on and off. Verify if the pressure hose has an O-ring at the connection. If missing, this will also cause the unit to cycle on and off. While the unit is running look for any water leaks that may cause the unit to turn back on.
Do power washers have a reset button?
When the trigger is released, water flow stops which the TSS sensed and immediately shuts the unit off. So to review, if the Reset button has been pressed and is holding and the power switch is ON, the power washer is supposed to start up for a second or two and immediately shut off.
How do you troubleshoot a pressure washer?
0:332:05How to troubleshoot a pressure washer - YouTubeYouTubeStart of suggested clipEnd of suggested clipFor you hook your water to the inlet. If the water comes out the outlet. Then you know that you'veMoreFor you hook your water to the inlet. If the water comes out the outlet. Then you know that you've got water cycling through here start the engine up and see if you got.
How do you fix a pressure washer that won't start?
0:532:13Top Reasons Pressure Washer Won't Start - YouTubeYouTubeStart of suggested clipEnd of suggested clipOver time the key may become worn and break on its own if. This happens you will need to replace theMoreOver time the key may become worn and break on its own if. This happens you will need to replace the flywheel key with a new one before the engine can be restarted.
Do electric pressure washers overheat?
An electric pressure washer can overheat, but not in the same way that a gas unit will. Electric pressure washers automatically shut down the motor when the wand trigger is closed. The main culprit that will cause your pressure washer to overheat is running it too long in direct sunlight on a hot day.
How do you reset a power washer?
a) So to review, if the Reset button has been pressed and is holding and the power switch is ON, the power washer is supposed to start up for a second or two and immediately shut off. At this point all you need to do is squeeze the trigger; the unit will turn on.
Do electric pressure washers have fuses?
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.
How long does an electric pressure washer last?
In general, most well know pressure washer companies guaranty their machine for at least 500 hours. Most persons use it for around 50 hours each year. That means that a well-maintained pressure washer should last at least 10 years.
Why is my electric pressure washer pulsating?
Clear any debris from the nozzle. If the nozzle has even a little bit of dirt in the tip, it may cause enough obstruction for the pressure washer to pulsate. If your pressure washer came with a nozzle cleaner, use it to clean the tip.
Why did my pressure washer shut off?
A clogged carburetor is most often the culprit if your pressure washer shuts off after a few minutes (source). As such, checking the carburetor should be the first thing you do.
Why is my pressure washer blowing fuses?
Basically the motor is restarting because of the pressure drop, but because the trigger is not open , this overloads the motor causing the fuses to blow. Fix the leak! Sometimes the leak can be internal inside the pump or bypass valve, call your local specialist.
Is there a reset button on Karcher pressure washer?
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.
Why is my pressure washer tripping breaker?
High amperage appliances such as refrigerators, coffee machines, heaters, motors, etc., running on the same circuit as your pressure washer will cause fuses to blow or breakers to trip. If the motor has stopped making noise entirely, it could be a faulty power cord.
Why does my washer leak water?
A defective thermal release valve can also cause leaks from the pump. This valve lets heated, pressurized water exit the pump if the washer is left running for too long without the trigger being squeezed. If the thermal release valve lets water leak constantly, it’s defective and needs replacement.
Why doesn't soap flow from the reservoir?
Nine times out of 10, the reason is simple: Too much back pressure in the pump prevents the soap from being sucked into the nozzle.
Why won't my carburetor start?
If it still won’t start after buttoning things back up, and you’ve checked oil, choke, etc., chances are you’ve got a partial blockage in a carburetor passage s. Clearing it involves removing and disassembling the carburetor, then cleaning it with some carburetor cleaner. Don’t attempt this alone if you’re not confident taking apart and reassembling small, important parts.
What is a gas powered washer?
Gas-powered washers accomplish this with an internal combustion engine that powers a pump, creating highly pressurized water that shoots out of a handheld wand attached to the tool by a hose.
Why won't my car run after sitting for a long time?
If the engine won’t run after sitting for a long time and you know it’s sparking and has enough oil , there’s an excellent chance the carburetor is gummed up with old fuel. Try opening the carburetor drain plug and letting a little old fuel dribble out.
Where is the wand that leaks?
The bottom end of the wand where it attaches to the hose is another common spot for leaks. Leaks there not only cause pressure to drop, they leave your arm and sleeve soaking wet, too.
Does a pressure washer have a reservoir?
Some higher end pressure washers come with a built-in reservoir for special pressure washer liquid soap. The idea is that mixing soap with the pressurized water you’re spraying will help clean things better and faster. My own pressure washer has this feature, and I can attest that it makes a big difference when you’ve got lots of caked-on dirt to deal with.
How to replace a pressure washer?
Make sure your hands and feet are dry . Put on a pair of rubber gloves and sturdy boots. Never touch any electrical plug with your wet hands. Make sure your kids and pets are away. When you buy replacement parts to replace the damaged components of your electric pressure washer, select only the approved spare parts.
How to fix a pressure washer that keeps turning on and off?
Step 2: Check the power cable and wall plug. Step 3: Check the unloader valve. The engine of your electric pressure washer turns on and off when its unloader valve fails, ...
What is an unloader valve on a pressure washer?
Your electric pressure washer’s unloader valve is the mechanism that can divert the flow of the water in your pump system into a loop as soon as you let go of the pressure washer’s trigger. The unloader valve lets the water to stay under pressure when it is not flowing out of its nozzle. It will not allow the pressure to build too high inside the pump.
Why does my pressure washer stall?
The stalling of the engine of your electric pressure washer may be because of the bad unloader valve, which is due to the pressure inside the pump becoming greater than your engine’s power to rotate your pump.
Why does my electric pressure washer lose power?
If the engine of your electric pressure washer gets started and runs fine for a couple of minutes and then loses power, it’s probably the unloader valve that has failed. When the unloader valve of your electric pressure washer fails, it is unable to recirculate the water back to its pump inlet.
How to clean a clogged nozzle on a pressure washer?
2. How do I clean the clogged nozzles of my electric pressure washer? 1 Disconnect the spray wand from its gun before cleaning the nozzles. 2 Clean the nozzle with a little hard piece of wire, like a paper clip. 3 Flush them rearwards using water. 4 Reconnect its wand to its gun. 5 Restart your electric pressure washer. 6 Press the trigger on the spray gun. 7 If you find the nozzle still plugged or half plugged you must repeat steps number 1-4. 8 If these previous procedures do not clean your nozzles, replace them with a new nozzle.
What happens if a nozzle is clogged?
Clogged nozzles can increase the pressure of its pump and probably damage the pump. You must pay attention to them immediately.
Most Common Problems
If you’re wondering how to fix a pressure washer pump, a leak or something else, follow Repair Clinic’s troubleshooting guide to make sure you have the proper diagnosis. The last thing you want to do is buy a new part only to find that your problem was something else altogether.
The Right Parts for the Job
We carry more than 4 million parts from over 175 major brands, so chances are, we've got the part you need.
Why are pressure cleaners called Allen heads?
These are one of the most used tools troubleshooting pressure cleaners because most pump assemblies are fastened together with hex head screws. They are often called Allen head after the company Allen Manufacturing that started mass producing hex screws and hex wrenches (Allen wrenches/keys) to fasten them in the early 1900s.
What happens if you don't unload a pressure gun?
If there was no unloader valve then pressure would build inside the system (when not in use) so when you did pull the trigger it would stall the engine or explode a weak link part – probably the pressure hose o-ring.
How to release air from power washer?
Then turn the water tap on and pull the trigger gun to release water from the system at the garden hose water pressure before starting the engine or motor. This will release all the pressure from the system and allow the pump to function.
Why cut soap hose?
Cutting the soap hose is fine because there’s lots of it and you’ll probably damage it using pliers or other means, anyways.
Where is the unloader located on a pressure washer?
Check out where the unloader is located on 3 different pressure washer pumps: As you can see the unloader is located on the exit side of the pump because it allows the pressurized water to flow back through the pump when it isn’t exiting into the high pressure hose (you’re not pressure washing anything).
How many pressure washer issues are there?
There are 20 pressure washer issues that are by far the most common.
How many pressure washers do I need to repair a gas engine?
Using the below tools I’ve fully disassembled (all the way down to removing the gas engine piston seals and crankshaft) and put back together: 3 electric pressure washers and 4 gas power washers. Let’s run through the tools, where they are used and if you should buy a complete tool kit or individual tools (and from what tool brands) for repairing your pressure cleaner.
