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1 800-537-4129   pa

g

e 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 prop-
er gauge.
Extension cord is damaged.

Replace extension cord with either 
a 25 ft. 12/2 gauge cord or a 50 ft.
10/2 gauge cord.

Electrical outlet does not
supply adequate power.

Try a different outlet.

GFCI or circuit breaker
tripped 

Reset breaker (power supply) or
ground fault circuit interrupter.

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
spray wand.

Run distilled vinegar through 
detergent suction tube.

On/Off switch is in the
“OFF” position.

Turn switch to the “ON” position

Power cord is not plugged in.

Plug in power cord.

Wash brush is attached.

Attach vario spray wand

Summary of Contents for K 280 M

Page 1: ...ents 6 Shut Down and Clean Up 7 Taking a Break 7 Winterizing and Long Term Storage 7 Cleaning Tips 8 9 Optional Cleaning Accessories 9 Troubleshooting 10 11 Specifications Operating pressure 1400 PSI...

Page 2: ...ned on Never use hot water 2 1 4 9 8 7 15 14 5 6 11 10 3 12 13 Item Description 1 Detergent suction tube 2 Detergent filter 3 Vario spray wand 4 Rotating spray wand 5 Wash Brush 6 Mobile adapter brack...

Page 3: ...on any cord to disconnect Keep cord away from heat and sharp edges Always disconnect the extension cord from the receptacle before disconnecting the product from the exten sion cord If you are using...

Page 4: ...s gasoline oil etc Always prevent debris from being drawn into the unit by using a clean water source Step 4 Connect the hose reel high pressure hose exten sion to the unit s high pressure outlet Step...

Page 5: ...RESET to assure proper connection to power Trigger the gun to eliminate trapped air wait for a steady flow of water to emerge from the spray nozzle Step 6 Turn on the pressure washer The motor starts...

Page 6: ...aces decks or autos Rotating spray wand Wash brush WARNING TO AVOID SERIOUS INJURY NEVER POINT SPRAY NOZZLE AT YOURSELF OTHER PERSONS OR ANIMALS High low spray wand GFCI INSTRUCTIONS Step 1 Plug the G...

Page 7: ...into the unit and mixed with water Apply detergent to work area Do not allow detergent to dry on surface The following Karcher detergents are available Vehicle Wash House Wash Degreaser Deck Wash All...

Page 8: ...to the pump assembly and accessories TAKING A BREAK five minutes or more Step 1 Remove de tergent suction tube from container and insert into 1 gallon of fresh water Siphon water at low pres sure for...

Page 9: ...ven sweeping motion keeping the spray nozzle approximately 6 inches from the cleaning surface Caution Do not use rotating nozzle spray wand on siding as it may cause damage Cement Patios Brick and Sto...

Page 10: ...n tube direct ly into cleaning solution and apply to surface at low pressure Allow K rcher All Purpose Cleaner to remain on surface 1 3 minutes Do not allow detergent to dry on surface If needed use s...

Page 11: ...ricted 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 inle...

Page 12: ...squeezing trigger gun until a steady flow of water emerges through the nozzle Loose fittings Check that all fittings are tight Call service center Water seals are damaged or worn Call K rcher customer...

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