Drain Pump - Bosch WAT28400 Repair Instructions

Design and function
3.15

Drain pump

3.15.1 Structure
Fig. 21: Components of the drain pump
1 Cable clip
2 Housing (splash guard)
3 Drain pump motor
4 Impeller
5 Sealing ring
2017-05-22 / DIS 113_58300000186503_ara_en_c
6 Pump housing
7 Holding points
8 Lint trap seal
9 Lint trap, complete
Copyright by BSH Hausgeräte GmbH
3.15.2 Function
The drain pump motor drives the impeller. The liquor is extracted from the front
opening, through the lint trap, via the rear opening in the drain pump housing and
into the outlet hose.
Voltage is supplied by the power electronics.
The thermal protection on the drain pump actuates when the power consumption is
too high. The thermal protection switches back independently.
If there is a blockage in the drain pump >90 sec., an error message is displayed.
Page 25 of 85