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Page 51
TROUBLESHOOTING
Problem Probable Cause Remedy
Battery dead (if equipped) Charge or replace battery,
add electrolyte if battery is
new
NOTE: Probable causes are listed with the most likely cause rst. Repairs should be
made by qualied service technicians only.
Dirty battery contacts Clean contacts
Battery cables disconnected Connect or replace
damaged cables
Engine, pump or gearbox is
seized
Identify, replace or repair
seized part
Key switch, solenoid or starter
on engine defective
Repair or replace faulty
component
Pump is seized Replace pump or bearing
Engine will not start or
crank over.
(See Engine Owner’s
Manual for further engine
troubleshooting)
Engine power switch is o or
defective
Check engine power switch
Low oil shutdown is activated
(if equipped)
Add oil to engine, check
more frequently
Fill with the appropriate
fuel, bleed injector pump on
diesel engines
POWER SYSTEM: GASOLINE OR DIESEL DRIVEN
Low on fuel
Replace or clean fuel lter,
bleed injector pump on
diesel engines
Fuel lter is clogged
Gasoline engines only -
Choke only as required
Engine ooded or starved
Drain and replace with
fresh, clean fuel
Old or dirty fuel
Engine will not start but
will crank over.
(See Engine Owner’s
Manual for further engine
troubleshooting)
Engine needs to be repaired Seek certied service
Lower the pressure on the
unit and check for correct
engine speed (RPM)
Operating in high elevation
Replace with correct nozzle
size
Incorrect nozzle in lance
Adjust unloader valve
Unloader valve improperly
adjusted
Engine bogs down
under load, whenever
spray gun is triggered
(See Engine Owner’s
Manual for further engine
troubleshooting)
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