Bosch SHI 4302 Troubleshooting Tips page 19

B
SHU/SHI/SHV Dishwasher Troubleshooting Chart
Problem
ü ü ü ü Washability
problems
(dishwasher
won't clean
properly) (cont.)
ü ü ü ü Suds or foam
remains in
dishwasher.
ü ü ü ü Dishes won't dry
properly.
ü ü ü ü Dishwasher has
an odor.
ü ü ü ü Dishwasher
won't run or
indicator lights
won't come on.
st
1 Edition/Revision 0-A
Possible Cause
HINT: Must pull out dishwasher and
remove left side panel to access float
switch.
ü ü ü ü Too much detergent used.
ü ü ü ü Improper detergent used
(other than powdered
dishwasher detergent).
ü ü ü ü Dishwasher doesn't drain
properly.
ü ü ü ü Rinse aid not used.
ü ü ü ü Standing water in dishwasher
sump.
HINT: Water level in sump should
be at or below drain motor cover.
ü ü ü ü Standing water in dishwasher
base.
ü ü ü ü Minerals in customer water
supply.
ü ü ü ü Food debris in dishwasher
filters.
ü ü ü ü Dishwasher not turned on.
ü ü ü ü No power to dishwasher.
ü ü ü ü Door ajar or on/off switch
failed.
ü ü ü ü Door latch has broken.
ü ü ü ü Indicator light failed.
Suggested Action
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.
ü ü ü ü Instruct customer to use less.
ü ü ü ü Instruct customer to use a powdered
dishwasher detergent (e.g. Cascade
powder).
ü ü ü ü See Water doesn't drain properly on
page D-4.
ü ü ü ü Instruct customer on using rinse aid –
dishes won't dry without it.
ü ü ü ü 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).
ü ü ü ü Turn off dishwasher,
manually from dishwasher base and
correct source of water leakage.
ü ü ü ü Recommend customer to get water
tested and use an appropriate water
softener.
ü ü ü ü Clean dishwasher filters.
ü ü ü ü Turn on/off switch on.
ü ü ü ü Check customer circuit breaker, fuse
box or power connections.
ü ü ü ü Turn off dishwasher and check door or
on/off switch -- adjust or replace them.
ü ü ü ü Turn off dishwasher and replace door
latch – instruct customer to not pull on
door without pulling latch.
ü ü ü ü 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.
Page D-2
drain water
Tuesday, May 11, 1999