TROUBLESHOOTING

￿ CAUTION

Disconnect the machine from the power

 

source before making any repair.

Symptom

Cause

Solution

 

 

 

Motor will not start

On/Off switch is in the “OFF”

Turn switch to the “ON” (I) posi-

 

(O) position.

tion

 

 

 

 

Power cord is not plugged in.

Plug in power cord.

 

 

 

 

Extension cord is too long.

Replace extension cord with

 

 

either a 25 ft. 12/3 gauge cord

 

Extension cord is not proper

 

or a 50 ft. 10/3 gauge cord.

 

gauge.

 

 

 

 

 

 

Extension cord is damaged.

 

 

 

 

 

Electrical outlet does not supply

Try a different outlet.

 

adequate power.

 

 

 

 

Unit does not reach

Diameter of garden hose is too

Replace with a 1/2 inch or 5/8

high pressure.

small.

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.

 

 

 

 

Spray wand is in low pressure

Turn spray wand to high pres-

 

position.

sure position.

 

 

 

Output pressure va-

Not enough inlet water supply.

Turn water on full force. Check

ries high and low.

 

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

Run distilled vinegar through

 

wand.

detergent suction tube.

 

 

 

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Karcher K 5.93 manual Troubleshooting, Source before making any repair