21
TROUBLESHOOTING
Condition Probable Cause Solution
• Motor stalls. • Overheated. • Allow motor to cool 10 minutes and use
Reset located on side of unit.
• Overloaded. • Check facility for power overload or low
voltage service.
• Check for contaminated water resulting
in particles trapped in unloader and clean.
• Motor capacitor failure-replace.
• Consult factory.
• Trigger will not move. • Safety lock engaged. • Release safety.
• Irregular water pressure • Injector drawing air. • Adjust injector sleeve clockwise to
or low water pressure. increase flow.
• Inadequate water supply. • Use proper inside diameter and length
of garden hose.
• Check water supply to assure sufficient
delivery.
• Nozzle partially blocked or wrong • Remove nozzle and clean or select new
size or worn. nozzle to match desired flow and pressure.
• Extension cord too small. • Use 12 Gauge extension cord-See
“EXTENSION CORDS”
• Injector does not prime. • Vari-Nozzle not set to low pressure. • Push forward on nozzle sleeve.
• Adjustment collar on chemical injector • Turn knob fully counterclockwise then
incorrectly adjusted. slowly clockwise to proper soap flow.
• Dried soap or other chemical buildup • Blow compressed air into injector barb to
in injector. free ball.
• Check-ball stuck. • Clean or replace.
• Strainer blocked. • Clean strainer.
• Leaking around chemical • Worn injector orifice. • Replace orifice.
injector collar. • Replace o-ring or remove trapped
foreign material.
• Unloader cycles. • Worn ball or valve. • Clean or replace ball and valve assembly.
• By-Pass at high pressure. • Fitting leaking downstream. • Check all fittings.
• Fluid leaking from bottom • O-ring on by-pass fitting cut or worn. • Replace with o-ring from kit.
fitting.
• Fluid leaking from body. • O-ring for piston retainer worn or cut. • Replace with o-ring from kit.
• O-ring for piston stem worn or cut. • Replace with o-ring from kit.
• Unloader will not come • Foreign material in unloader. • Clean unloader and reassemble.
up to pressure. • Piston stem o-rings worn. • Replace with o-ring stem kit.
• Nozzle worn. • Replace with nozzle sized to system flow.
• Extreme pressure spikes. • Adjusting cap turned completely into • Back off and gradually turn in to set
unloader. system pressure.
• Restricted by-pass. • Replace by-pass hose with identical length
and inside diameter.