Troubleshooting - North Star M157304G Installation, Operation And Maintenance Manual

Causes
Machine turned OFF
Line circuit breaker tripped
Causes
Voltage too low
Circuit Breaker Overloaded
Pressure set too high
Causes
Trigger released
Clogged nozzle
Causes
Low water flow
Partially clogged or damaged nozzle
Causes
Leak between unloader and gun.
Gun leaking internally
Causes
Soap control knob set too low.
Inadequate detergent supply
High pressure hose too long
Chemical strainer or hose clogged
Clogged injector
Troubleshooting Guide
Pressure Washer Will Not Run At All - No Power
Solutions
Turn Pump switch ON
Check for tripped circuit breaker in building
Circuit Breaker Trips
Solutions
Check the voltage
Make sure there is no other equipment using the same circuit.
Check/adjust pressure setting on unloader.
Pressure Washer Runs But Will Not Spray Water
Solutions
Squeeze trigger
Clean nozzle orifice
Solutions
Make sure the water supply is more than 4 gpm
Clean or replace nozzle
Pressure Washer Runs But Surges Or Cycles While In Bypass
Solutions
Check all connections between unloader and gun for leaks.
components and replace damaged components.
Replace spray gun
Poor Or No Detergent Supply
Solutions
Adjust soap control knob
Refill detergent container. Make sure the chemical strainer is fully submerged
Use less hose. Move machine closer to the work.
Clean the strainer. Always start with a clean detergent container
Clean injector check valve or replace injector. Run clean water through the injector
after each use.
Any Questions, Comments, Problems or Parts Orders
Call NorthStar Product Support 1-800-270-0810
Low Pressure
Tighten loose
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