Operator's Manual
9
troublesHooting
SYMPTOM
PROBABLE CAUSE
REMEDY
Low or fluctuating pressure.
Kink in high pressure discharge hose. Replace kinked pressure hose.
Water inlet screen obstructed.
Remove screen, clean or replace.
Pump sucking air. (Prime lost)
Tighten all water intake connections
Eliminate leaks in intake line.
Detergent nozzle (6540/Black) is
Insert high pressure nozzle.
connected to wand.
Obstructed or worn spray nozzle.
Remove and clean, or replace.
Damaged or obstructed valve assy.
Remove, inspect, clean or replace.
Pump packings worn.
Replace.
Bypass valve not operating correctly.
Repair or replace.
Water is leaking from the Heat Dump
Water temperature or pressure is too
Do not allow unit to operate in the
valve
high.
bypass mode (with the gun closed)
for more than three minutes.
Defective Valve
Replace
Oil appears milky or foamy.
Water in oil.
Change pump oil. Fill to proper
level.
Oil leaking from unit.
DO NOT USE!!!!!
Contact Customer Service.
Detergent will not siphon into
Detergent strainer is not completely
Check; submerge if necessary.
Low Pressure Detergent mode.
submerged in detergent solution
Detergent strainer is obstructed.
Inspect, clean or replace.
Detergent hose is obstructed or cut.
Inspect, clean or replace.
Detergent adjusting knob turned to
Open by turning knob completely
the closed position.
counterclockwise.
Detergent nozzle (6540°/BLACK)
Insert correct quick connect nozzle.
is not connected to the wand.
Nozzle assembly is plugged.
Clean or replace.
Too many high pressure hose
Use one extension maximum.
extensions attached to the water outlet.
Ball & Spring in Venturi stuck.
Remove, clean or replace.
Water flows back into detergent
Ball & Spring in Venturi reversed,
Remove, clean or replace.
container.
missing or corroded.
Water flows from the nozzle when the Gun is malfunctioning.
Repair or replace.
trigger gun is in the "OFF" position.
