Washing machine not taking in softener, left in drawer after wash finished? This may help.
Does your washing machine fail to suck in the fabric softener from the detergent drawer? Is it left in the drawer after the wash cycle has finished?
Washing machines use a siphon system to draw in the softener at the appropriate time, this can get blocked.
The video below takes you through the steps needed to clean the softener system on a Bosch washing machine, although it should prove useful to owners of other makes too.