10
TROUBLESHOOTING
Disconnect the machine from the power source before making any repair.
Symptom Cause
Solution
Motor will not start.
Unit does not reach
high pressure.
Output pressure
varies high and low.
Extension cord is too long.
Extension cord is
not proper gauge.
Extension cord is damaged.
Replace extension cord with either
a 25 ft. 12/3 gauge cord or a 50 ft. 10/3
gauge cord.
Electrical outlet does not supply
adequate power.
Try a different outlet.
Ground Fault Circuit Interrupter
(GFCI) tripped.
Reset breaker (power supply)
or GFCI.
Diameter of garden hose
is too small.
Replace with a 3/4 inch
garden hose.
Water supply is restricted.
Check garden hose for kinks,
leaks and blockage.
Not enough inlet water supply.
Open water source full force.
Water inlet filter is clogged.
Remove filter and rinse out
in warm water.
Not enough inlet water supply.
Turn water on full force. Check garden
hose for kinks, leaks or blockage.
Pump is sucking air.
Check that hoses and fittings are air tight.
Turn off machine and purge pump by
squeezing trigger gun until a steady flow
of water emerges through the nozzle.
Water inlet filter is clogged.
Remove filter and rinse out
in warm water.
Discharge nozzle
is obstructed.
Blow out or remove debris
with a fine needle.
Calcified gun, hose
or Quattro Nozzle.
Run distilled vinegar through
detergent suction tube.
On/Off switch is in the “OFF”
(O) position.
Turn switch to the “ON” (I) position.
Power cord is not plugged in.
Plug in power cord.
Quattro Nozzle is in low
pressure position.
Turn Quattro Nozzle to high
pressure position.
Wash brush is attached.
Attach Quattro Nozzle.
9
CLEANING TIPS –
continued
Barbecue Grills, Outdoor
Power Equipment &
Gardening Tools
(with or without detergent)
Pre-rinse cleaning surface with fresh water.
If using Kärcher All Purpose Cleaner or
Degreaser, place detergent suction tube
directly into cleaning solution and apply
detergent at low pressure. Allow Kärcher
detergent to remain on surface 1-3 minutes.
Do not allow detergent to dry on surface.
Rinse at high pressure keeping the spray
nozzle approximately 3-6 inches from the
cleaning surface. For removing extremely
stubborn dirt, it may be necessary to move
the spray nozzle even closer to the surface
for greater dirt cutting action. To remove
caked on mud from garbage cans, lawn
mower blades, wheel barrels or other
non-sensitive metal surfaces, you may
want to experiment with different settings on
the Quattro Nozzle.
Patio & Lawn Furniture
(with or without detergent)
Pre-rinse furniture and surrounding area with
fresh water. If using Kärcher All Purpose
Cleaner, place detergent suction tube direct-
ly into cleaning solution and apply to surface
at low pressure. Allow Kärcher All Purpose
Cleaner to remain on surface 1-3 minutes.
Do not allow detergent to dry on surface. If
needed use special Wash Brush Attachment
to remove stubborn dirt. Rinse at high pres-
sure in a sweeping motion keeping the
spray nozzle approximately 3-6 inches from
the cleaning surface. For best results, clean
from top to bottom and from left to right.
Recommendations
• Before cleaning any surface an inconspic-
uous area should be cleaned to test spray
pattern and distance for maximum clean-
ing results.
• If painted surfaces are pealing or chipping,
use extreme caution as pressure washer
may remove the loose paint from the
surface.
• While using on surfaces which might come
in contact with food. Flush surfaces with
plenty of drinking water.
OPTIONAL CLEANING ACCESSORIES
• Vario Spray Wand
• House Washing Wand
• Extension Wand
• Flexible Spray Wand
• Underbody Spray Wand
• 4 Piece Extension Wand
• Wet Sandblasting Attachment
• Pipe Drain Cleaner
• Water Suction Hose With Filter
• Extension Hose 25’
• Rotating Wash Brush
• K12 Surface Cleaner
Optional cleaning accessories are available to further enhance your cleaning capabilities:
See accessories order form for product descriptions and ordering instructions.
In USA Call:
1-800-537-4129
or visit our website: www.karcher-usa.com
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