PRESSURE WASHER TROUBLE SHOOTER
       Tech Tips and Troubleshooting
 for HOT WATER PRESSURE WASHERS

       Listed below is the problem you selected with causes, solutions and discussion

These instructions are intentionally basic.  We provide this information hoping they will assist you to get  your hot water machine going.  Servicing a hot water pressure washer can be very dangerous if you don't know what you are doing.  If you are not trained beyond these basic procedures seek professional help.  

Defective pressure or flow switch

Check pressure and/or flow switch for proper operation

All hot water pressure washers should have a pressure switch or flow switch for safe operation. Some machines have both a pressure switch and flow switch.

The purpose of these switches is to turn the burner off if water stops flowing through the burner.  That's why the burner shuts down when you release the trigger on the gun.

I these switches malfunction it could be the reason your burner will not fire.  Conversely a malfunction may prevent your burner from shutting down.  Check the continuity of these switches with a multimeter, while turning the feed water on and off or stopping and starting the pump.   

 

SOME OF THESE OPERATIONS CAN BE EXTREMELY DANGEROUS.  IF YOU DO NOT HAVE SUFFICIENT TRAINING IN THESE PROCEDURES, WE RECOMMEND YOU SEEK ASSISTANCE FROM 
A QUALIFIED TECHNICIAN



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