Bosch SHI4302 Manual page 66

VIII. Troubleshooting
VIII. Troubleshooting
Problem
Dishwasher won't
stop filling or won't
stop draining.
Water fills too
slowly.
Water won't fill.
NOTE : An "F" fault code
in the display shows
there's a filling prob lem
(
not filling, over-filling,
underfilling or water in the
). The fault code
base
can't b e reset manually –
it will reset itself 15
minutes after the
dishwasher has b een
turned on (aft
Detergent or rinse
aid won't dispense
properly.
Refill rinse aid
light won't come on
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
Water in dishwasher base from
leaky or loose hose.
Dishwasher isn't level, causing
float switch (e6 ) to operate.
Float switch or diaphragm (e6 )
failed.
Debris in dishwasher base
activated float switch (e6 ).
Low customer water supply
pressure.
Inadequate customer water
supply piping.
Scale in customer supply piping
or dishwasher piping/parts from hard
water.
Customer water supply turned off
or disconnected.
Water valve (s2 ) failed.
Water level switch (f1 ) failed.
Timer (SHU 30/40 models ) or
module (all other models ) failed.
Water in dishwasher
operated float switch (e6 ).
Dispenser actuator (A2 ) failed.
Detergent dispenser door is
jammed.
Rinse aid level switch failed (reed
switch e3 on standard dispensers or
built-in actuator on
dispensers).
Suggested Action
Turn off dishwasher, drain water manually
from dishwasher base and reinstall or replace
hose.
Level dishwasher using front and rear
leveling legs (see customer dishwasher
installation instructions).
Turn off dishwasher and replace float
switch or diaphragm.
Turn off dishwasher and remove debris
from dishwasher base
Adjust customer water supply pressure (to
5-20 psi or 0.3-8.27 bars).
Install appropriate piping to dishwasher
according to local codes.
Clean or replace clogged piping/parts and
have customer get water tested and use
appropriate water softener.
Reconnect and turn on customer water
supply.
Check resistance @ water valve terminals
( ≈ 1000 Ω ). Turn off dishwasher and replace
faulty valve.
Turn off dishwasher and replace faulty level
switch.
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 ).
base Turn off dishwasher, drain water manually
from dishwasher base, find source of leaking
water and fix water leak.
Turn off dishwasher and replace actuator.
Free jammed detergent dispenser door.
Turn off dishwasher and replace reed
switch (standard
top-load dispenser.
64
dispensers) or top-load