Zanussi Unprimed or Airlocked Solution Pump

No water sprays onto carpet but there is no error code; pump is quiet or only hums

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Possible Causes

Air trapped in solution line after storage, Low water level in clean tank, Loose hose connection drawing air, Blocked tank outlet valve

How to Fix / Troubleshooting

Safety: Unplug before disconnecting hoses; keep towels handy for spills.

  • Fill tank fully: Fill the Zanussi clean water tank to the maximum line and ensure detergent is mixed correctly.
  • Prime pump: Refit the tank, plug in, and hold the trigger continuously for 60–90 seconds while the unit is running to purge air.
  • Check tank outlet: Remove the tank and press the outlet valve with a blunt object. Water should flow freely. If not, clean or replace the valve.
  • Inspect for air leaks: Check the hose from the tank to the pump for loose clamps or cracks. Tighten or replace as needed.
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Repair Difficulty

Easy 2/5

Required Part

Clean Water Tank Outlet Valve
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