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Troubleshooting Guide
Pressure Washer Will Not Run At All - No Power
Causes Solutions
Machine turned OFF Turn Pump switch ON
Line circuit breaker tripped Check for tripped circuit breaker in building
Circuit Breaker Trips
Causes Solutions
Voltage too low Check the voltage
Circuit Breaker Overloaded Make sure there is no other equipment using the same circuit.
Pressure set too high Check/adjust pressure setting on unloader.
Pressure Washer Runs But Will Not Spray Water
Causes Solutions
Trigger released Squeeze trigger
Clogged nozzle Clean nozzle orifice
Low Pressure
Causes Solutions
Low water flow Make sure the water supply is more than 4 gpm
Partially clogged or damaged nozzle Clean or replace nozzle
Pressure Washer Runs But Surges Or Cycles While In Bypass
Causes Solutions
Leak between unloader and gun. Check all connections between unloader and gun for leaks. Tighten loose
components and replace damaged components.
Gun leaking internally Replace spray gun
Poor Or No Detergent Supply
Causes Solutions
Soap control knob set too low. Adjust soap control knob
Inadequate detergent supply Refill detergent container. Make sure the chemical strainer is fully submerged
High pressure hose too long Use less hose. Move machine closer to the work.
Chemical strainer or hose clogged Clean the strainer. Always start with a clean detergent container
Clogged injector Clean injector check valve or replace injector. Run clean water through the injector
after each use.
Any Questions, Comments, Problems or Parts Orders
In the United States In the United Kingdom
North Star Customer Service
Call 02392639752
Call 1-800-270-0810 Northern Tool and Equipment Co. (UK) Ltd.
Hours: Monday - Friday 7:00 AM to 5:30 PM Unit 2, Keel Close,
Saturday 7:30 AM-11:30 AM Central Time Portsmouth, Hants PO3 5QD, England