Troubleshooting - North Star 157117 Owner's Manual

Causes
Low Oil Shutdown
Cold Engine
No Fuel
Dead Battery
Spark plug wire not attached
PRESSURE WASHER RUNS BUT BURNER DOESN'T FIRE
Causes
Air
Belt for Air fuel delivery system is
broke or slipping
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 Call Product Support.
Flame sensor
Causes
Partially clogged or damaged nozzle
Low water flow
Clogged inlet filter
Easy start valve is stuck open
Damage or obstructed Pump valves
Worn pump packings
Unloader not working properly

Troubleshooting

ENGINE WILL NOT START
Solutions
Fill engine with the adequate amount of oil.
Choke engine to start.
Add gas to engine; make sure fuel shutoff valve is open.
Recharge/Replace battery.
Attach spark plug wire to spark plug.
Solutions
Replace or tighten belt.
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 kerosene, diesel or fuel oil.
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.
Open Trigger gun to allow flow
Clean or replace flow switch. See Maintenance and repair
section of manual
Call Product Support
PRESSURE WASHER RUNS BUT NO PRESSURE
Solutions
Clean or replace nozzle.
Make sure the water supply is more than 4.2 gpm.
Clean or replace inlet filter
Clean or replace
Clean or replace
Replace pump packings
Repair or replace
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