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FOR SERVICE TECHNICIAN'S USE ONLY
Service Error Codes Table
Example: 6-1 means "Inlet Water" function, "Low / No Water" problem.
Function
Problem
Causes
Code
Code
1-
1-
Control
Control
Pilot
detected K1
Stuck On
pilot relay
stuck closed.
2-
Damaged
Control
or corrupted
Software
memory on
Issue
control board.
Incompatible
software
components
inside micro.
2-
1-
Control
User
Stuck
detected stuck
Interface
Key
key(s) in keypad
or keypad
connection.
NOTE: If any
keys are stuck,
the stuck key
will be ignored
and an error
recorded to the
service history
but no alert to
customer.
3-
1-
Open connector
Ther-
Open
or component in
mistor/
Temperature
OWI
Sensing circuit.
Open or faulty
temperature
sensor.
Temperature
sensor input on
control.
2-Shorted
Incoming water
temperature
above 167°F
(75°C).
Shorted
connection or
component in
Temperature
Sensing circuit.
Shorted or faulty
temperature
sensor.
Temperature
sensor input
on control.
3-
1. OWI failure.
Failed
Calibra-
tion
What to Check
1. Unplug dishwasher
or disconnect power.
2. Check all loads on K1
Pilot Relay for shorts.
3. Replace control and
all shorted components.
1. Unplug dishwasher
or disconnect power.
2. Replace control board.
Check responsiveness
of each key.
If some keys do not
respond:
- Unplug dishwasher
or disconnect power.
- Disassemble door
and inspect for correct
assembly of control,
console, and button tree.
- Adjust assembly to
eliminate stuck keys,
reassemble door and
test each key.
- If key(s) still stuck/
unresponsive,
replace control.
1. Check operation of
temperature sensor in
Service Diagnostics cycle.
2. Unplug dishwasher
or disconnect power.
3. Check all components
and connections in the
Temperature Sensing
circuit with meter.
1. Check incoming water
temperature.
2. Check operation of
temperature sensor in
Service Diagnostics cycle.
3. Unplug dishwasher
or disconnect power.
4. Check all components
and connections in the
Temperature Sensing
circuit with meter.
1. Check all connections in
Soil Sensing circuit.
2. Check OWI lens surface.
clean if needed.
3. Run Service Diagnostics
to check OWI operation.
OWI should see low soil
with clear water. Unplug
dishwasher or disconnect
power and replace OWI or
control if needed.
NOTE: Run diagnostics
after installing OWI to force
calibration on next regular
wash cycle.
Function
Problem
Code
Code
3-
3-
Ther-
Failed
mistor/
Calibra-
OWI
tion
(cont.)
(cont.)
4-
3-
Wash
Motor
Motor
Not
Running
5-
1-
Door
Door
Switch
Stuck
Open
7
Causes
What to Check
2. Drain hose
Dirty water backs into
check valve
dishwasher after draining.
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 countertop
if possible).
1. Loose
1. Check operation of wash
connection in
motor during diagnostics.
Motor circuit
2. Unplug dishwasher
and/or faulty
or disconnect power.
wash motor.
3. Check resistances
of connections in the
Wash circuit.
- Check/fix loose
connections or replace
wash motor.
2. Control Motor
1. Unplug dishwasher
Drive circuit or
or disconnect power.
Sense circuit.
2. If meter check of Wash
Motor circuit shows normal
resistance and still not
getting power to the wash
motor, replace control.
3. Open fuse on
Refer to "Fuse Service
control.
Check" in "Meter Check of
Loads and Fuses" section.
1. Door was not
Instruct customer. Refer
latched within
to Use and Care Guide.
4 seconds of
pressing the
Start/Resume
key.
2. Loose
1. Check strike plate
connection in
and door closure force.
Door Switch
Verify door seal is seated
circuit and/or
properly. Check for
door switch
interference between
contacts stuck
dish racks and door. Try
open and/or
bending strike plate down
door switch
for better engagement.
contacts stuck
2. Unplug dishwasher
open and/or
or disconnect power.
door switch not
3. Check resistances
making contact:
of door switch contacts
- Sloppy door
and all connections in the
latch assembly
Door Switch circuit while
(which can be
opening and closing the
aggravated by
door latch.
high door
- If high resistance with
closure force,
door closed, check/fix
keeping strike
loose connections.
plate from fully
4. Measure resistance
seating).
of door switch contacts
- Door switch
while checking mechanical
(high
operation of latch
resistance).
assembly. Check for
broken plastic pieces
on latch assembly.
Replace latch if faulty.
3. If none of
1. With door open, verify
the above.
13 VDC present across
P9-5 and P9-6
2. If no voltage present,
unplug dishwasher or
disconnect power and
replace control.
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