Symptom
Output pressure varies
high and low.
Detergent is not work-
ing.
TrOUBLE SHOOTINg
Cause
Not enough inlet water
supply.
Pump is sucking air.
Water inlet filter is clogged.
Discharge nozzle is ob-
structed.
Calcified gun, hose or
power nozzle.
Detergent container is
empty.
Detergent bottle or suction
tube not properly con-
nected.
Detergent is too thick.
Filter on detergent suction
tube is clogged.
Damaged or clogged deter-
gent suction tube.
Nozzle is in high-pressure
position.
Discharge nozzle is ob-
structed.
17
Solution
Turn water on fully. Check
garden hose for kinks,
leaks or blockage.
Check that hoses and fit-
tings are airtight. Turn
"OFF" machine, and purge
pump by squeezing trigger
gun until a steady flow of
water emerges through the
nozzle.
Remove filter and rinse
with warm water.
Blow out or remove debris
with a fine needle.
Run distilled vinegar
through detergent tank.
Add more detergent.
Check connections.
Dilute detergent.
Run warm water through
filter to remove build-up.
Remove obstruction or
replace detergent suction
tube.
Use low pressure (black)
tip.
Blow out or remove debris
with a fine needle.