Sun Joe Pressure Washer Troubleshooting. For home tools, Sun Joe as a brand has marked its name very quickly. Sun Joe started its journey by manufacturing snow blowers. And now has etched its name for high-quality power gadgets. The brand believes in making affordable yet powerful gadgets for the masses.

Sun Joe pressure washers are also one of its budget-friendly product line. They are one of the best in the market to tackle extensive cleaning jobs in a shorter time. Therefore, we don’t have to put much effort to clean extremely dirty surfaces.

Besides being a reliable and durable pressure washer, Sun Joe pressure washer some times scum to some faults and problems. However, they are easy to resolve most of the times without any professional assistance required.

And with our guide of Sun Joe pressure washer troubleshooting, rest assure you can do it yourself more easily.

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Sun Joe Pressure Washer Troubleshooting

Although Sun Joe Pressure Washer is an affordable gadget, we won’t go to buy it every other year. Such products are bought with a lifetime-going perspective. So, the longevity of the product matters very much.

When we are working with such powerful tools, we know issues will occur from time to time. Cleansing houses, gardens, or garages is an everyday job. When we use a pressure washer regularly for cleaning stuff, problems will be bound to happen.

You may face issues regarding, the pressure washer motor not starting, leaked pump, clogged or worn-out outlets, nozzles, or holes, etc. If you’re facing any such issue with your Sun Joe pressure washer do not worry, we’ll solve all these in our complete guide for you on how to troubleshoot Sun Joe Pressure Washer.

Identifying And Solving Sun Joe Pressure Washer Problems

As we stated earlier, issues occur in any power tool. But, identifying the actual problem is a troublesome and time-consuming activity. For a better and more effective solution, you must’ve to find the exact problem.

With heavy power gadgets, it is hard to assume the problem, it varies from product to product. You can have a better understanding of the problem by keen observation of your product.

We’ve enlisted several symptoms your Sun Joe pressure Washer might be showing. Based on those symptoms, we’ve also mentioned possible causes and solutions of these problems.

Go through the article and have your solution by understanding the actual cause. We do hope the solutions better work for you your Sun joe Pressure Washer.

Sun Joe Pressure Washer Troubleshooting – General Problems, Causes, And Solutions

  1. Sun Joe Pressure Washer not starting:

If you’ve plugged in the Sun Joe pressure washer yet it doesn’t start or buzz. It might be caused by power supply issues. Make sure you’ve plugged the washer properly and in a working socket. If the power cord is working properly, reset GFCI (Ground Fault Circuit Interrupter) by pressing the reset button until the power indicator illuminates.

Causes Possible Solution
Due to power failure Check power supply, fulfill the requirement specified by the manufacturer
Might be you’ve plugged into a defective socket Replace defective socket, try different outlets.
The fuse may be blown Replace the fuse with a working one.
Using a defected extension cord Change extension board
  1. Sun Joe Pressure washer starts, but not working (no water comes out):

If your Sun Joe pressure washer has started and making noise yet not releasing water out of it, the reason may be because of any clogged accessory or no water supply is provided to the pressure washer.

If the weather is cold let the accessories thaw or unfreeze before use. Also, check the water supply. Check out for clogged inlet filters or nozzles

Causes Possible Solution
Frozen pumps, hoses, or accessories Wait for accessories or hoses to thaw or unfreeze.
No water supply. Connect the inlet water supply
Clogged or blocked inlet filter Clean or replace inlet filters
Clogged or blocked nozzle Clean or replace nozzles

 

  1. Sun Joe Pressure washer often starts and stops on itself:

Sometimes, your Sun Joe pressure washer may show unusual behavior by starting and stopping on its own. The main cause of this irregularity is the trigger mechanism of the pressure washer has broken or the pump or spray gun is leaking. In this case, contact Sun Joe customer care service and replace parts on warranty.

Causes Possible Solution
The trigger mechanism might be broken Contact the Customer Service of Sun Joe Pressure Washer and ask for a replacement.
The pump or spray gun might be leaking

 

  1. Pressure washer pulsating:

If the Sun Joe pressure washer is throbbing or pulsating, it happens cause of an insufficient supply of water, the air in the inlet hoses, water filter, or nozzle might be blocked or kinked hoses.

This issue can be solved by making sure the water supply meets the requirement specified by the manufacturer. Try to avoid long thin hoses rather than use thick ones with minimum bends. The thicker the hose, the more water will be supplied.

Over time, dirt and detergent particles may stick around the pump or inlet hose. Clean the hose by using distilled vinegar and ensures the non-blockage supply of water.

Causes Possible Solution
Dirt or air in the inlet hose Straight out the hose, clean the dirt, Avoid using long thin hoses with more bends
Insufficient supply of water Ensure water supply corresponds to specifications
Clogged or blocked water filter or nozzle Clean or replace filters/nozzles
Kinks or holes in the hose Remove kink or leak hoses

 

  1. Sun Joe Has Fluctuating pressure of water:

If the water pressure of the Sun Joe Pressure Washer fluctuates or is inconsistent. It might be happening due to loose connections, or pump seals are worn out.

  • Make sure that connections are airtight.
  • Valves might be dirty or stuck.
  • Clean the valves or replace the broken valves part through customer care service.
Causes Possible Solution
Air sucked by pumps Check for clogged or unclean pumps
Clogged/ worn-out valves Clean, and replace the valves through the care service of Sun Joe
Pumps seals are torn/ worn out Check connections are airtight and sealed

 

  1. Pressure washer stops:

If the Sun Joe pressure washer stops suddenly. It might be happened due to power failure. Or thermal sensor of washer activated.

Causes Possible Solution
Fuse blown Switch off the machines using the same circuit. And replace the fuse.
Not enough main power voltage provided Ensure the Main voltage corresponds to specifications.
Clogged or blocked nozzle Clean, or replace filters/nozzles
The thermal sensor is activated Let the washer cool down for 5 minutes

 

  1. The Blown Fuse:

Due to an inconsistent power supply, the fuse may blow away. Replace the fuse with higher amp rating. Avoid using extension cords.

Causes Possible Solution
Fuse too small/

Inconsistent or insufficient power supply

Replace the fuse with the one having higher amp rating. Remove any extension cord (if using)

 

  1. Sun Joe Pressure washer not cleaning the surface:

If everything is working fine still your pressure washer is not cleaning the surface as it should be. You might be using the wrong nozzle. Read the manual and change the nozzle of high pressure.

Causes Possible Solution
Incorrect nozzle Replace the nozzle with a high-pressure nozzle.

 

Sun Joe Water Pressure Problems:

  1. Water leaking from the pump

Ensure all the connections are airtight. The Pump casing is sealed properly. In case of any worn or broken seals; contact customer care service and replace the parts under warranty.

A Thermal valve is activated when an excessive amount of heat is generated by the unit. In such a situation let the washer cool down for some time. But if you observe the problem is persistent, contact any professional to check the unit.

Otherwise, the motor may die functioning due to thermal overloading

Causes Possible Solution
Casing might have broken or worn out seals Replace the defective parts under warranty
Loose bolts or connection Tighten the loose parts. Ensure they are airtight and sealed together
Thermal valve activated Let the washer cool down for a few minutes and then restart it again.
  1. Water leakage from garden hose connection:

Due to improper/broken connections or rubber washers, water might be leaking out from the garden hose connection. Replace or repair such parts.

Causes Possible Solution
Not connected properly Connect the parts properly
Broken rubber washer Replace the rubber washer
  1. Water leaking from spray wand on connections:

It might happen due to the O-ring inside the hose connection. You’ve to contact the professional to tackle it and replace it with a suitable O-ring or hose

Causes Possible Solution
O-ring inside hose might be broken Replace the O-ring or hose—contact with a professional.

 

Chemical or detergent injector not working:

If the soap injector is not working properly, it may happen because of the high stream voltage of water. Due to the high pressure of water sometimes detergent cannot inject properly with water. Or there may be any blockage or clogging issues too.

Ensure the parts are clean and properly connected. You may change the valve position of the water until it allows the detergent to be injected properly.

Causes Possible Solution
Incorrect nozzle Connect the soaping nozzle onward. Ensure the direction of the nozzle is correct
Clogged soap tube inlet filter Clean the filter with water or distilled vinegar
Clogged soap inlet valve Remove hose; use Allen key set to remove remains inside the hole
The soap mixture might be too thick To dilute the soap mixture add water to it.

 

Irregular bypass causing pressure fluctuations:

Worn-out seals and valves are the main culprits behind such fluctuations. Look out for the unloader valve you might have to replace it to make your pressure washer in working order.

Causes Possible Solution
Worn or broken unloader valve seals, springs, or other components Remove and replace broken components
Unloader valve not connected or installed properly Remove and install correctly, properly seating the valve at the bottom of the pump housing
unloader valve facing water leakage Replace worn or broken seals and re-install the unloader valve to specification
Clogged unloader Remove and clean it.

 

Excessive Noise:

If your Sun Joe pressure washer is making unnecessary noise, water intake is either blocked or there might be not sufficient amount of oil present in the pump. Check for broken parts and replace them. Also, if possible check the oil in the pump or seek guidance from professionals.

Causes Possible Solution
Blockage in the water pump Remove and clean clogged parts
Insufficient oil in the pump Seek help from professionals, otherwise, return under the warranty and replace the pump

 

Oil leaking from the pump:

If oil is leaking from a pressure washer, it shows an alarming situation at hand. You might have to look for loose fittings bolts. This can be tackled by tightening the bolts properly. If the bolts are properly connected.

There may be an issue with the damaged piston or seal. Consult professionals in such matters for better guidance.

Causes Possible Solution
Loose bolts Fit and tighten bolts properly
Damaged seal or piston Seek help from professionals, otherwise, return under the warranty

 

Tips and Tricks To Properly Use Sun Joe Pressure Washer

  1. Check water supply:

Pressure Washer relies on water supply. Make sure the water supply to the pressure washer is stable and meets the specifications mentioned by the manufacturer in the manual guide.

  1. Check the hose for kinks:

When we work with power gadgets, we look for bigger bugs but in actuality, the problem is not as big as we may think. The most common issue reported by customers was the kink in the hoses.

Make sure you are using short hoses with a small number of bends. Using thinner hoses might create problems with water pressure. And long hoses may have loads of bends. Therefore chances of kink in hose arise.

Try not to repeat this minor mistake. It may sound smaller but it can be very frustrating

  1. Release air from the system:

Do not let the air incorporate into the pressure washer. Connect the garden hose first then release water from the tap. Before starting the motor, pull the trigger gun on the garden hose water pressure to release all the air pressure from the system. The pump will be functional when followed by the proper procedure.

  1. Ensure the correct nozzle and nozzle is not clogged:

To make the pressure washer full functionality make sure you are using the right nozzle. A nozzle has narrow ends, you can use needles or sharp thin tools to clean the remains present inside the nozzle.

In case, of clogged nozzle pressure of the water may decrease and pressure on the pressure washer may increase. This may prove fatal as the system will trigger the unloader to go through the bypass.

  1. Examine the capacitor

Remove casing from the motor, and check the capacitor. If the capacitor is black, it indicates burned capacitor. Disconnect capacitor from wires of motor and replace it with a new one. If you’re not sure about how to do it properly. Seek guidance from proper professionals.

  1. Check the unloader valve

If the pressure washer produces no to very little pressure, there might be an issue with the unloader valve. When the trigger is not pushed the unloader pushes water to flow back into the pump. If the unloader gets damaged, the pressure washer won’t produce any pressure.

  1. Ensure everything is dry

Ensure your safety: electricity and water is a deadly combination. Dry your hands properly before troubleshooting.

  1. Check the cord and AC outlet

Precisely check for any wear and tear part of the power cord. Also, check for the AC outlet whether it is providing sufficient power to the machine.

Tools Required

Here, we’re sharing tools and accessories you may find useful when repairing your pressure washer or other power gadgets.

Hex/Allen Keys

In troubleshooting pressure washers, the most repeatedly use tool is Hex/Allen keys. Because pumps of pressure washers are assembled with hex head screws. When we use hex head screws for assembling pumps, there is a minimum chance of damaging parts thus making screws durable.

Hex head can be used on multiple screw types and sizes, therefore, reducing the use of other tools and wrenches.

Needle-nose Pliers 

In combination with Hex/Allen keys, needle-nose pliers are used often. They come in handy when you have to reach small areas to tear down a pump and remove o-rings, valves, and seals. And to set them back at their original position.

Screwdrivers

For disassembling your pressure washer you’ll require screwdrivers too.  They help to wedge out pump plunger seals. When you’re working with engine block you will use Torx head screws.

Sockets & Ratchet

To tighten bolts or to reach narrow tight spots. Sockets and ratchets come very handily. They have almost every bolt in their compact case

Wrenches

Sometimes, you will need wrenches to get screws to their exact position despite having sets of keys. It is a universal tool for almost every gadget

Rubber Mallet or Hammer

For troubleshooting pressure cleaners rubber mallets or hammers are used to open stubborn parts like the pump head valve plate.

Snips

A must-own tool; they are sharper, precise, and quicker. To cut down hose length shorter, you’ll require snips. You can also use knives but we’ll recommend snips.

Accessories

Along with tools, when troubleshooting Sun Joe Pressure Washer you’ll need WD-40, thread tape, or grease cleaner to have silicone grease when O-rings have to reinstall.

FAQs:

How to start the Sun Joe pressure washer properly?

To start with the Sun Joe pressure washer properly, follow the procedure.

  1. Ensure that your Sun Joe pressure washer is placed on a flat surface.
  2. Check out that the water strainer is clean and hooked in place.
  3. Connect one end of the garden hose with a washer and another end to the water supply
  4. Connect the high-pressure hose of the pressure washer to the water outlet on the unit.
  5. Snap the collar into place by sliding the plug at the bottom of the gun on the other end of the hose.
  6. Choose the best suitable nozzle for cleaning purposes. To install the nozzle, pull the collar on the end of the gun and assemble the wand.
  7. Connect the nozzle and release the collar. It will secure the nozzle by snapping it to the place
  8. Add detergent, soap, or chemicals to the detergent injector. And turn on the water supply.
  9. The hose will fill with water. Ensure the unit does not pump air into the system. Simply start the trigger on a gun.

Conclusion For Sun Joe Pressure Washer Troubleshooting

When you use Sun Joe pressure washer for a cleaning job, issues are bound to happen. Whether it is related to water breakage, low pressure, motor issues, oil leakage, or so. It will happen once in a while eventually.

To troubleshoot issues in your pressure washer, we’ve provided you with a complete guideline to sort out your issues. This article includes general tips and tricks you may follow even if you’re not a very much skilled repair person.

For a better solution, exact identification of the problem matters that can only be achieved by keen observation. The better you understand the problem, the easier the troubleshooting will be.

However, if none of the tips and tricks works for you. It’s time to contact the customer care service department of Sun Joe Pressure Washers and get help from a skilled professional.

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