Bosch WAT28400 - Gasket Leaking; Appliance Wont Switch On;Off; Pump off

Fault diagnosis
2017-05-22 / DIS 113_58300000186503_ara_en_c Copyright by BSH Hausgeräte GmbH Page 32 of 85
Fault Possible cause Troubleshooting
Gasket leaking
Drum lighting leaking
Gasket leaking due to friction on lighting ► Install lamp retainer [ 00631842] up to FD9310.
► Replace gasket
Appliance won't switch on/off
Main switch jammed
Main switch on electronics jams
Manufacturing period FD 9401
-FD 9409
► Control module (OU) must be replaced.
► Control panel and jog dial must not be replaced.
Foreign objects under the drum. ► Remove foreign objects
Foreign objects in the pump. ► Remove foreign objects
Blockage in the pump sump ► Remove blockage from the pump sump.
Drainage hose kinked ► Install drainage hose without kinks.
Blockage in the water outlet ► Check drainage hose for blockage.
► Siphon blocked
Pump off
No or inadequate draining.
Water level sensor defective ► Replace water level sensor.