Kärcher WPC 100 RO, Manual

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Consumables
Description Description Order No.
Fine filter First stage of filtration for separation of coarse dirt particles 6.640-765.0
Activated carbon filter (granulate) Second stage of filtration for pre-separation of harmful substances 6.640-766.0
Activated carbon filter (block) Third stage of filtration for fine separation of harmful substances 6.640-767.0
Membrane filters (reverse osmosis) Fourth stage of filtration for desalination 6.640-783.0
Upper activated carbon filter Fifth stage of filtration for ensuring neutral taste after reverse osmosis 6.640-769.0
Filter replacement intervals
Fine filter 3 - 6
months or as needed (see Section "Troubleshooting")
Activated carbon filter (granulate) 6 - 12
Activated carbon filter (block) 6 - 12
Membrane filters (reverse osmosis) 18 - 24
Active carbon filter 6 - 12
Troubleshooting
Failure Possible cause Correction
No water dispensed Mains Plug not connected to the socket. Plug in the mains plug.
Water supply not connected Connect to water supply.
Pressure switch on unit not working Contact service.
Solenoid valve is defective Contact service.
Little water dispensed The pump does not run Check pump.
Bypass valve open Close the bypass valve.
Fine filter blocked. Replace fine filter.
Membrane filter (reverse osmosis) blocked. Replace membrane filter (reverse osmosis).
Pump does not stop Pressure switch on unit not working. Contact service.
Pump does not start. Pressure switch on unit not working. Contact service.
Fine filter blocked. Replace fine filter.
Pressure switch inlet defective. Contact service.
Water supply not connected Check water supply.
Mains Plug not connected to the socket. Plug in the mains plug.
Pump defective. Contact service.
Water leaking from filter chamber Filter chamber loose. Tighten filter chamber.
Filter chamber gasket not in place or defective Check gasket, reposition, replace if damaged.
Water coming from drain water line only Bypass valve open. Close the bypass valve.
Membrane filter (reverse osmosis) blocked. Replace membrane filter (reverse osmosis).
Pump defective.
Filtered water has noticeable taste Upper activated carbon filter needs replacing. Replace upper activated carbon filter.
Pump stops and restarts after a short period. Leak / water loss / pressure loss in the unit or in the fol-
lowing line system. Tighten filter casing.
Close off the tap completely.
Look for the cause of the leak and eliminate it.
Check valve in unit not working Contact service.
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