11
FOR SERVICE TECHNICIAN’S USE ONLY
Detergent Not
Dispensing or
Detergent Left
in Dispenser
NOTE:
Check error
history. If no
error codes for
electrical
problems, problem
is mechanical. Do
not replace
control.
1. Item in lower rack
blocked lid or blocked
spray of water to
dispenser.
Instruct customer on
proper dish loading.
2. Mechanical binding
of dispenser lid.
1. Unplug dishwasher
or disconnect power.
2. Check/replace
dispenser.
3. Lid latch binding
due to excess
detergent in
mechanism.
Instruct customer on
proper dispenser filling.
4. Dispenser electrical
problem.
Refer to “Service Error
Codes” table.
10-1
5. Control canceled
cycle before
dispensing due to
error detected with
wash motor.
Refer to “Service Error
Codes” table.
4-3
Poor Wash
1. Cycle selection of
customer not
appropriate for dish
load.
Instruct customer on cycle
selection. Recommend
“High Temp” option for
wash performance boost.
2. Plugged or
damaged screens.
Inspect following
3 screens:
- Filter cup coarse screen
- Filter cup fine screen
- Sump fine screen
3. Spray arms not
rotating or plugged.
1. Check arm rotation. If
arms are blocked by dish
item, instruct customer.
Also check for correct
upper spray arm alignment
with docking station
located on feed tube back
wall.
2. Check nozzles. If they
are plugged, clean nozzles
and confirm filters installed
properly.
4. Poor wash due to
draining, dispensing,
and/or temperature
problem.
See “Will Not Drain or
Excess Water Left in Unit,”
or “Detergent Not
Dispensing or Detergent
Left in Dispenser,” or
details on temperature
sensing in “Long Cycles
and/or Stuck in Certain
Part Of Cycle.”
5. Control canceled
cycle due to error
detected with wash
motor.
Refer to “Service Error
Codes” table.
4-3
6. Soil sensor
problem.
Refer to “Service Error
Codes” table.
NOTE:
Even if no error
code recorded, confirm
OWI passes all OWI checks
in Service Diagnostics
cycle and see checks for
Error 3-3.
3-2
3-3
7. Diverter problem.
Refer to “Service Error
Codes” table.
9-1
9-2
8. Diverter disk
missing.
Remove outlet cover and
inspect for red plastic disk
through holes in outlet.
Install new disk if missing.
9. Heating problem.
Refer to “Service Error
Codes” table.
7-1
10. Softener problem
(on some models).
Refer to “Service Error
Codes” table.
6-8
Customer
Description
Potential Causes
Check
Related
Error
Code
Film or Spots
on Glasses
and/or Dishes
1. Customer not using
rinse aid and/or
heated dry.
Check rinse aid gauge level
on dispenser. Instruct
customer how to fill and
monitor, add, or use
rinse aid.
2. RInse aid dispenser
problem.
Refer to “Service Error
Codes” table.
10-1
3. Hard water leaving
film on dishes.
Check water hardness. If
hard, instruct customer to
use premeasured
detergent tablets or packs
and rinse aid daily. Also
recommend 1 HR Wash
cycle. To clean the
dishwasher, recommend
running with 1 cup (250
mL) of white vinegar
sitting upright in upper
rack.
For models with water
softener, check for “Add
Salt” LED at the end of
cycle. If On, add salt and
instruct customer.
For models with water
softener, Regen valve
electrical problem. Refer to
“Service Error Codes”
table.
6-8
4. Detergent carryover
or over-sudsing.
Check water hardness. If
below 10 grains, instruct
customer to use less
detergent and recommend
the 1 HR Wash cycle.
6-3
5. Etching of glass
from too much
detergent at too high
of temperature.
Check water hardness. If
below 10 grains, instruct
customer to use less
detergent and recommend
the 1 HR Wash cycle.
6. Diverter problems. Refer to “Service Error
Codes” table.
9-1
9-2
7. Drain loop check
valve not sealing.
1. Disconnect drain hose at
plumbing connection.
2. Elevate hose above
dishwasher and fill with
water. If water flows into
dishwasher, replace entire
drain loop. Install as high
as possible and attach to
underside of counter top if
possible.
Poor Dry
1. Customer not using
rinse aid and/or
dispenser empty.
Check rinse aid gauge
level on dispenser. Instruct
customer how to fill and
monitor, add, or use
rinse aid.
2. Customer not using
Heated Dry option.
Recommend use of Heated
Dry or Smart Dry to
customer.
3. Rinse aid dispenser
problem.
Refer to “Service Error
Codes” table.
10-1
4. Vent stuck closed
due to pilot relay
stuck on.
Refer to “Service Error
Codes” table.
1-1
5. Diverter problem
kept water from
heating in final rinse
(plastic tub models
only).
Refer to “Service Error
Codes” table.
9-1
9-2
6. Fan problem (on
models with fan).
Refer to “Service Error
Codes” table.
10-3
7. Control canceled
cycle due to error
detected with wash
motor.
Refer to “Service Error
Codes” table.
4-3
8. Heating problem.
Refer to “Service Error
Codes” table.
7-1
Customer
Description
Potential Causes
Check
Related
Error
Code
