TROUBLESHOOTING
CAUTION
Remove the spark plug cable to prevent ac- cidental ignition of the engine before making any repair.
Symptom | POSSIBLE CAUSE | SOLUTION |
Engine will not start | No gasoline | Fill gas tank |
| Choke is not in the correct position. | Slide choke lever out to closed position. |
| Water pressure built up in the ma- | Squeeze the trigger to release the pressure. |
| chine. |
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| For additional engine problems refer to the engine manual. | |
Unit does not reach | Diameter of garden hose is too | Replace with a 5/8 inch or larger garden |
high pressure. | small. | hose. |
| Water supply is restricted. | Check garden hose for kinks, leaks and |
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| blockage. |
| Not enough inlet water supply. | Turn water on full force. Check garden hose |
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| for kinks, leaks or blockage. |
| Water inlet filter is clogged. | Remove filter and rinse out in warm water. |
| Black detergent nozzle is attached. | Remove black detergent nozzle and attach |
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| high pressure nozzle |
Output pressure | Not enough inlet water supply. | Turn water on full force. Check garden hose |
varies high and low. |
| for kinks, leaks or blockage. |
| Pump is sucking air. | Check that hoses and fittings are air tight. |
|
| Turn off machine and purge pump by |
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| squeezing trigger gun until a steady flow of |
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| water emerges through the nozzle. |
| Water inlet filter is clogged. | Remove filter and rinse out in warm water. |
| Spray nozzle is obstructed. | Blow out or remove debris with a fine needle. |
| Calcified gun, hose or spray wand. | Run distilled vinegar through detergent suc- |
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| tion tube. |
No detergent. | Detergent suction tube not properly | Check connection. |
| connected to the machine. |
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| Detergent is too thick. | Dilute detergent, for best results use |
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| Kärcher® detergent. |
| Filter on detergent suction tube is | Run warm water through filter to remove |
| clogged. | debris. |
| Damaged or clogged detergent suc- | Remove obstruction or replace detergent |
| tion tube. | suction tube. |
| A high pressure nozzle is attached. | Replace with black detergent nozzle. |
| Metering valve closed. | Open metering valve. |
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| Spray nozzle is obstructed. | Blow out or remove debris with fine needle. |
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Garden hose con- | Loose fittings. | Check and replace if necessary. |
nection leaks. | Missing/worn rubber washer. | Insert new washer. |
| ||
Spray wand leaks. | Spray wand not properly attached. | Turn the swivel nut of the gun clockwise until |
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| connection is tight. |
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| Broken | Call Customer Support |
