Cleaning Drain Pump - Siemens 
D12-52 Operating And Installation Instruction

Cleaning the drain
pump
Drain the water
This is necessary if the washing solution has not been
completely drained. The pump is blocked by either
loose debris or fluff which accumulates if fluff giving
fabrics are washed.
(Up to 20 litres. Have a suitable container ready.)
d
Risk of scalding!
Allow the hot water to cool down beforehand.
Keep children and pets away.
q Turn the programme selector to = Off.
q Fold down the cover panel.
q Remove the drain hose from its holder and pull the
hose out of the housing.
90 °C
q Pull down the closing cap and allow the washing
max.
lye to flow into a suitable container.
q Push up the closing cap and place the drain hose
back in its holder.
q Carefully remove the pump cap.
q Remove any loose debris / fluff from inside the
pump and clean the pump. The pump impeller
must be able to rotate.
Clean any residual lye or fluff from the thread of the
pump cap and pump housing.
q Attach and tighten the pump cap.
q Attach and close the cover plate.
To prevent unused detergent from flowing into the
drain during the next wash cycle:
q Pour 1 litre of water into chamber II.
q Select the Empty programme.
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