Bosch WAT28400 - Page 2

Repair Instructions – Laundry
2017-05-22 / DIS 113_58300000186503_ara_en_c Copyright by BSH Hausgeräte GmbH Page 2 of 85
Noises during the spin cycle........................................................................ 47
Noises when water runs in...........................................................................47
4.5 Odours/biofilm.............................................................................................48
Chemical odour.............................................................................................48
Plastic odour................................................................................................. 48
Scorching odour............................................................................................48
Rotting/musty/stale odour............................................................................. 48
Detergent odour............................................................................................50
5 Test 51
5.1 Check NTC................................................................................................... 51
5.2 BLDC motor.................................................................................................. 52
6 Repairs 53
6.1 Siting the appliance...................................................................................... 53
6.2 Aligning the appliance.................................................................................. 54
6.3 Calibrating the load sensor.......................................................................... 55
6.4 Turbidity sensor calibration...........................................................................56
6.5 Starting/ending the demo programme..........................................................57
6.6 Correcting the gap........................................................................................ 58
6.7 Lengthening the inlet hose........................................................................... 60
6.8 Extending outlet hose [ 432060]...................................................................61
6.9 Flashing the operating module and power module...................................... 62
6.10 Replacing motor............................................................................................65
6.11 Removing/installing the 3G sensor...............................................................66
6.12 Replacing heater...........................................................................................68
6.13 Replacing NTC sensor................................................................................. 69
6.14 Replacing belt pulley.................................................................................... 70
6.15 Replacing the soap drawer.......................................................................... 71
6.16 Install repair set of soap drawer steam leakage ........................................ 73
6.17 Replacing the drain pump............................................................................ 76
6.18 Removing/installing front panel.................................................................... 77
6.19 Replacing injection valves............................................................................ 78
6.20 Removing/installing the power module.........................................................80
6.21 Incorrect and correct installation location of display module........................ 82
6.22 Removing/installing the inverter module...................................................... 83
6.23 Optionally Noises in inverter area ............................................................... 85