Bosch SHI 4302 - Section 3

B Page D-2
SHU/SHI/SHV Dishwasher Troubleshooting Chart
1
st
Edition/Revision 0-A Tuesday, May 11, 1999
Problem Possible Cause Suggested Action
!
!!
! Washability
problems
(dishwasher
won't clean
properly) (cont.)
HINT: Must pull out dishwasher and
remove left side panel to access float
switch.
HINT: One "wax" motor operates both the
detergent and rinse aid dispensers through a
mechanical linkage. The system always resets
when door closes. Check linkage by moving it
manually. Check "wax" motor by running a
continuity check on its terminals.
!
!!
! Suds or foam
remains in
dishwasher.
!
!!
! Too much detergent used.
!
!!
! Improper detergent used
(other than powdered
dishwasher detergent).
!
!!
! Dishwasher doesn't drain
properly.
!
!!
! Instruct customer to use less.
!
!!
! Instruct customer to use a powdered
dishwasher detergent (e.g. Cascade
powder).
!
!!
! See Water doesn't drain properly on
page D-4.
!
!!
! Dishes won't dry
properly.
!
!!
! Rinse aid not used. !
!!
! Instruct customer on using rinse aid –
dishes won't dry without it.
!
!!
! Dishwasher has
an odor.
!
!!
! Standing water in dishwasher
sump.
!
!!
! Unclog air gap. Make sure top of drain
hose loop (behind dishwasher) is at
least 20" above floor (add a loop in
hose if there isn't one).
HINT: Water level in sump should
be at or below drain motor cover.
!
!!
! Standing water in dishwasher
base.
!
!!
! Minerals in customer water
supply.
!
!!
! Food debris in dishwasher
filters.
!
!!
! Turn off dishwasher, drain water
manually from dishwasher base and
correct source of water leakage.
!
!!
! Recommend customer to get water
tested and use an appropriate water
softener.
!
!!
! Clean dishwasher filters.
!
!!
! Dishwasher
won't run or
indicator lights
won't come on.
!
!!
! Dishwasher not turned on.
!
!!
! No power to dishwasher.
!
!!
! Door ajar or on/off switch
failed.
!
!!
! Door latch has broken.
!
!!
! Indicator light failed.
!
!!
! Turn on/off switch on.
!
!!
! Check customer circuit breaker, fuse
box or power connections.
!
!!
! Turn off dishwasher and check door or
on/off switch -- adjust or replace them.
!
!!
! Turn off dishwasher and replace door
latch – instruct customer to not pull on
door without pulling latch.
!
!!
! Run test program to see if light failed
(for SHU/I 43/53/68 models only – see
page F-1). If so, turn off dishwasher
and replace indicator light.