Troubleshooting - North Star M1574210J Owner's Manual

Causes
Machine turned OFF
Line circuit breaker tripped
Causes
Voltage too low
Circuit Breaker Overloaded
Pressure set too high
Causes
Air
Air intake is blocked or restricted
Air leaking
Improper air adjustment
Fuel
Fuel tank empty
Fuel filter water separator is clogged or full of
water
Clogged fuel nozzle
Fuel pump malfunctioning
Ignition
Electrodes damaged or worn
Ignition coil failure or improperly gapped
Other
Heat switch turned OFF
Thermostat set too low or off
Trigger gun is not open
Flow switch failed or clogged
Primary control board malfunctioning
Flame sensor
Causes
Low water flow
Partially clogged or damaged nozzle
Causes
Air band not adjusted properly
Poor quality fuel

Troubleshooting

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 Burner Doesn't FIre
Solutions
Inspect & remove any blockages
Inspect rubber boot and connections between the heat exchanger and blower for
leaks. Replace boot or tighten connections
See Burner adjustment section of manual
Fill fuel tank with diesel.
Drain or replace if needed
Replace
Fuel solenoid, coupler, or pump itself may need to be replaced. Contact product
support.
Check fuel pressure and replace if needed
Clean, adjust, or replace electrodes. See maintenance and repair section of manual.
see maintenance and repair section or contact product support
Turn heat switch ON.
Set thermostat to desired temp (if equipped).
Open Trigger gun to allow flow
Clean or replace flow switch. See Maintenance and repair section of manual
Call Product Support.
Call Product Support
Low Pressure
Solutions
Make sure the water supply is more than 4 gpm
Clean or replace nozzle
Smoke from Heat Exchanger
Solutions
Adjust the air band until the burner burns cleanly. See installation Instructions.
Use kerosene for the cleanest burn.
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