Miele PWM 908 Operating And Installation Instructions page 56

Cleaning and care
Cleaning the siphon and the channel
 Pull the siphon out of the 
compartment.
Clean the siphon under warm running
water. Clean the siphon tube in the
same way.
 Refit the siphon.
 Clean the fabric softener channel
using a brush and warm water.
56
Cleaning the detergent dispenser
drawer housing
 Use a bottle brush to remove
detergent residues and limescale
from the jets inside the detergent
dispenser drawer housing.
 Replace the detergent dispenser
drawer.
Useful tip: Leave the detergent
dispenser drawer slightly open to allow
it to dry.