Troubleshooting - W&H Multidem C27 Mode D'emploi

8. Troubleshooting

No water flow
Cause: Water intake closed.
Troubleshooting: Open the water intake at the upstream stop valve
or close the locking handle  on the filter head .
Cause: Non-return valve was fitted on the outlet side.
Troubleshooting: Please fit the non-return valve on the inlet side.
No or low water flow despite open water intake
Cause: Mains pressure too low.
Troubleshooting: Check mains pressure. If the fault persists, check the filter system and filter
cartridge and replace if necessary.
Cause: Filter head not mounted in direction of water flow.
Troubleshooting: Dismantle the filter head and install in direction of water flow (Chapter 4).
Leak
Cause: Screwed connections not fitted correctly.
Troubleshooting: Check mains pressure. Check all screwed connections and mount according to
Chapter 4. If the fault persists, replace the filter system.
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