Bosch SHI4302 Manual page 65

VIII. Troubleshooting
VIII. Troubleshooting
Problem
Dishes won't dry
properly.
Dishwasher has
an odor.
Dishwasher won't
run or indicator lights
won't come on.
Water doesn't
drain properly.
CAUTION : Use caution
when removing deb ris
from sump to avoid b eing
cut b y sharp deb ris such
as aluminum can tab s or
b roken glass.
NOTE: For minor problems from improper usage or lack of maintenance, please refer
customer to the Self-Help chart in their Use and Care Manual.
(continued)
(continued)
Possible Cause
Rinse aid not used.
Standing water in dishwasher
sump.
HINT : Water level in sump should b e
at or b elow drain motor cover.
Standing water in dishwasher
base.
Minerals in customer water
supply.
Food debris in dishwasher filters.
Dishwasher not turned on.
No power to dishwasher.
Door ajar or on/off switch failed.
Door latch has broken.
Indicator light failed.
Kink in drain hose.
Dishwasher filter(s) or sump
clogged.
Drain motor impeller clogged.
Kitchen sink or sink air gap
clogged.
Drain motor (m3 ) failed.
Timer (SHU 30/40 models ) or
module (all other models ) failed.
Improper drain connection height
(< 20" or 508mm above floor).
Suggested Action
Instruct customer on using rinse aid –
dishes won't dry without it.
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).
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.
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. If
so, turn off dishwasher and replace indicator
light.
Straighten or replace drain hose.
Clean dishwasher filters or sump.
Turn off dishwasher, remove drain motor
cover (in sump) and clean
necessary, remove drain motor to clean
impeller.
Unclog sink or sink air gap.
NOTE : Cleaning sink air gaps or sinks are not
covered under warranty.
Turn
resistance at motor terminals ( ≈ 16.5 Ω )
Replace faulty motor.
Check voltage at and wiring to timer or
module. Turn off dishwasher and replace faulty
timer or module (for SHU/I 43/53 models,
install existing module jumper onto new
module ).
Install drain height and sink air gap
according to local codes.
63
impeller.
off dishwasher and
If
measure