Odours/Biofilm; Chemical Odour; Plastic Odour; Scorching Odour - Bosch WAT28400 Repair Instructions

Fault diagnosis
4.5

Odours/biofilm

Fault

Chemical odour

Plastic odour

Scorching odour

Smell of burning

Rotting/musty/stale odour

2017-05-22 / DIS 113_58300000186503_ara_en_c
Possible cause
Detergent
Plastic / plastic parts used
Contacts / components scorched
Appliance is connected to a triple socket
Insulation resistance / resistance too low /
too high.
Check appliance for leaks.
Foreign object in appliance (under the
drum, in the pump, in the gasket, in the
pump sump)
Appliance connected behind the siphon
Constant washing without bleach (e.g. with
colour/liquid detergent)
Underdosage
Not washed for a long time or only with a
maximum temperature of 30 °C
Residue in the detergent dispenser tray
due to use of detergent containing en-
zymes or poor drainage characteristics
Copyright by BSH Hausgeräte GmbH
Troubleshooting
► Change detergent, if required use scent-free detergent (suitable for allergy
sufferers)
► Change fabric softener or do not use any fabric softener
► Advise customer:
Plastic / plastic parts may emit an odour; this odour is not detrimental to health and
diminishes with increasing age of the appliance. The odour should be described as
a typical new odour.
► Replace plugs/components.
► Appliance must not be operated via a triple socket or extension.
► Measure insulation resistance / resistance of the components
► Eliminate leaks and replace affected components
► Remove foreign object(s), recommend laundry net to customers for small items
[ 461036]
► Connect appliance in front of the siphon
► Carry out washing cycle with stain remover (bleach) and at a high temperature.
► Increase dosage, observe dosage recommendation
► Wash 1x a week using a high water temperature of 60-90 °C and with a standard
detergent containing bleach. Most bacteria are killed by using a standard detergent
with bleach
► Advise customers that the detergent dispenser tray may be removed for cleaning.
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