Operating instructions

28 HLP-SERIES Hot Water Pressure Washer Operator's Manual
SYMPTOM PROBABLE CAUSE REMEDY
TROUBLESHOOTING
Go to another location and call your
gas supplier for instructions, or if you
cannot reach the supplier, call the
re department.
Check switch position.
Open trigger gun for pressure.
Replace switch.
Unit will automatically reignite when
cool.
Check gas valve is open.
Check L.P.-Gas tank, rell if empty.
Check gas pressure.
Light Pilot.
Replace.
Open pilot valve.
Call qualied serviceman.
Call qualied serviceman.
Call qualied serviceman.
Call qualied serviceman.
Decrease pilot supply gas.
Call qualied serviceman.
May occur in cool, humid conditions.
coil.
Replace.
Before start-up, you smell gas
around the machine.
Burner will not ignite.
Pilot does not light.
Pilot ignites but will not stay on when
gas cock dial is released.
Short thermocouple life.
Water is leaking under heat
exchanger coil.
Gas is leaking.
Control switch is not in the "BURNER"
position.
Trigger gun is closed.
Defective High Limit Switch
High limit switch override.
No fuel.
Gas line obstruction.
Pilot valve is out.
Gas valve failure.
Manual pilot valve closed.
Gas leak at pilot valve.
Piezo ignitor.
Pilot too far away from thermo-
couple.
Thermocouple loose at regulator
safety valve.
Excessive heat from pilot light.
Thermocouple too close to pilot.
Condensation.
Ruptured heat exchanger coil.