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If the water input is coming in pulses and the water is not flowing continuously, it could be an issue with the water inlet valve or the water pressure. Here are a few things you can try to diagnose and fix the issue:
Check the water pressure: Make sure that the water pressure is within the recommended range for your washer. Low water pressure can cause water to come in pulses. You can check the water pressure by turning on the faucet near the washer and seeing how strong the flow is.
Check the water inlet valve: The water inlet valve controls the flow of water into the washer. If it is faulty or clogged, it can cause water to come in pulses or not at all. You can check the valve by disconnecting the water hoses and inspecting the valve for any signs of damage or blockage. If the valve is damaged, it will need to be replaced.
Check the water level sensor: The water level sensor determines how much water is in the washer. If it is faulty, it can cause the washer to stop filling with water prematurely. You can test the sensor using a multimeter to see if it is sending the correct signal to the control board.
Check the drain pump: If the drain pump is not working properly, it can cause water to pump out in pulses or not at all. You can check the pump for any signs of damage or blockage and test it using a multimeter to see if it is functioning correctly.
If none of these solutions fix the issue, it may be best to consult a professional appliance repair technician to diagnose and fix the problem.
at the end of the season do you run the water out of the pump. the reason that I'm asking is the pump may have a crack in it . to were the pump maybe losing water
Hi pulsing is usually a sign of insufficient water flow to the unit.
always get the largest water hose you can for the feed and check to see if your water system can keep up (if it is a three gallons per min machine grab a bucket and make sure you are getting at least 3 gallons per min before you plug the machine in.
The number one culprit for bad flow is the ez hoses or retractable hoses.
Common problem across brands. When you spray water the drop in pressure triggers the motor to take the hose pressure ~ 30 psi and boost it to ~ 3000 psi. Water coats these parts with calcium (hard water) or other junk and water contains bacteria which causes slime and scale. Once that pressure switch / valve is sufficiently clogged it doesn't move smoothly so it can fluctuate between sending a yes / no signal about whether you are squeezing the trigger or not. This causes the pulsing.
EZ test: take the the tip off the wand, start the unit, squeeze trigger - should run continously with no problem. If it does for sure you need to watch a video on dissembling and cleaning the valve body. It is not hard but you must work carefully to avoid losing parts especially springs and take digital pictures to record the order for reassembly.
Pressure washers have a pressure regulator/unloader that bypasses the water back into the intake when you let go of the trigger with motor running. If you let the machine run for long preiods in bypass the system could be damaged due to heating of the water being bypassed. The water is in a closed loop. The as the unloader wears it will tend to want to bypass which is what is happening in your case. Dirt trapped at the tip will cause this also. Install clean tip to solve problem. If clean tip did not help then try lowering the pressure by turning pressure regulator counterclock wise. If problem is gone then parts are failing but keep using pump. Good luck.
If by "a few minutes" you mean 180 seconds, I really don't know what to say. But if you mean 5-10 seconds, you probably are experiencing air in the water line or normal engine warm-up behavior when the choke has been set to full lean too soon.
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