Troubleshooting - Kärcher HD 3.1 / 31 P Operator's Manual

TROUBLESHOOTING – continued
Garden hose connection leaks.
• Loose fittings.
- Tighten fittings.
• Missing/worn rubber washer.
- Insert new washer.
Spray wand leaks.
• Spray wand not properly attached.
- Attach the wand to the spray gun.
Turn the wand collar clockwise onto
the gun threads until tight.
• Broken o-ring.
- Call Kärcher customer service hotline
and order an o-ring.
Pump is noisy.
• Pump is sucking air.
- Check that hoses and fittings are air
tight. Turn off machine and
purgepump by squeezing trigger gun
until a steady flow of water emerges
through the nozzle.
Water leaks from pump.
• Loose fittings.
- Check that all fittings are tight.
• Water seals are damaged or worn.
- Call customer service.
• Thermal protection device is
activated.
- Thermal protection device will auto
reset. Do not run pump for more than
5 minutes without spraying.
Oil Drip.
• Oil seals are damaged or worn.
Call customer service.
If you encounter any additional
difficulties not listed, please call our
customer support for help.
Kärcher Commercial USA
To locate a dealer, call:
1-888-805-9852
or visit our website:
www.karchercommercial.us
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