SOURCE: Electric Pressure Washer
Hi Your problem is your unloader pressure valve switch.It is a cylinder that moves up & down inside a housing,. activaded by water pressure.Inside the cavity of the housing is dirt on the wall of it.Thats your problem.Once you clean the cylinder wall & apply some water grease ,problem gone.Your problem is not the switch.
SOURCE: Suddenly the vacuum won't turn on
Could be a number of reasons, may have a bad cord, If the switch is on the hose, it may have gone bad. Could even be a motor problem. Needs to checked to find the problem.
SOURCE: pressure washer has no pressure
Try and back flush the washer..Take spay nozzle off washer and back flush with hose...If any kind of sand or deposits get into the Pump it will hold pressure valve open not letting it build pressure.after back flushing hook back up washer and before you put spar nozzle back on or start washer turn water on and make sure all air is out of washer..hook spray nozzle back up and hold it open with washer still off.when you see that there is no more air coming out of washer start it and you should have pressure.Hope this helps you and have a great day!!
I’m happy to assist further over the phone at https://www.6ya.com/expert/joe_a3369546f8067589
SOURCE: Pressure Washer trouble The Engine Won't Turn Over. What's Wrong?
well for starters if you let it sit all winter you the pump probably froz up and you might be able to get it un jamed by pouring in oil (any kind) in the hose inlet and let sit one night the try starting
SOURCE: Craftsman 1800 psi pressure washer won't start
disconnect the hoses to and from the machine and the try it.
the machine might have a blocked nozzle in the lance, of so get a paper clip and clear the jet backwards
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How long was it running without the water being on?
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