8
6-
Inlet Water
(cont.)
1-
Low/No
Water
(Mechanical
Problem)
(cont.)
3. Drain loop
detached from tub
and/or improper
drain connection.
Check for water siphoning out of
unit:
1. Allow dishwasher to complete
normal fill.
2. Drain for 5 - 10 seconds by
pressing CANCEL/DRAIN.
3. Open door and confirm water
does not siphon out of unit. If it
does, confirm drain loop is attached
to side of dishwasher and drain
hose is connected to a drain at
least 20" (50.8 cm) off the floor.
4. Water leaking
from dishwasher.
Check for leaks under dishwasher.
5. Fill valve or
water line plugged
with debris.
Turn off water supply to dishwasher,
disconnect water line to inlet valve,
inspect/clean the inlet screen of fill
valve, and reconnect water.
6. Overfill switch
stuck in “Overfill”
position and/or
dishwasher not
level.
Check other error codes to see
if 6-4 also occurred. See 6-4
Error Code.
7. Fill valve
electrical problem.
Check other error codes to see if 6-2
also occurred. See 6-2 Error Code.
2-
Fill Valve
(Electrical
Problem)
1. Loose
connection in Fill
Valve circuit and/
or open fill valve
solenoid.
Unplug dishwasher or disconnect
power and check resistances of fill
valve solenoid and all connection in
the Fill circuit with meter.
- Fix/replace open connection/part.
2. Open fuse on
control to fill valve.
Refer to “Fuse Service Check” in
“Meter Check of Loads and Fuses”
section.
3. Fill Valve Drive
circuit on control.
Unplug dishwasher or disconnect
power and replace control.
3-
Suds/Air
in Pump
1. Too many suds. 1. Allow unit to fill and wash for
1 minute. Open door and check for
excessive sudsing.
2. Confirm using proper dishwasher
detergent, not hand detergent.
3. Check for excessive rinse aid
leakage.
2. Bowls or pots
loaded or flipped
and captured
wash water.
Instruct customer on loading. Refer
to Use and Care Guide.
3. Water leaking
from dishwasher.
Check for leaks under dishwasher.
4. Diverter disk in
sump is missing.
Remove lower spray arm, turbo
zone assembly, rear feed tube, and
outlet cover and verify whether the
red diverter disk is installed.
4-
Float
Switch
Open
1. Overfill switch
stuck in “Overfill”
position and/or
dishwasher
not level.
Remove any items stuck under the
float. Verify that the float moves
freely and you hear the “click” of
the switch contacts. Check/adjust
level of the dishwasher.
2. Drain hose
check valve
not sealing.
Water backs into dishwasher after
draining and elevates water level.
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.
3. Fill valve triac on
control shorted.
If still filling while door is open, fill
valve is mechanically stuck open
(see below). If not filling with the
door open, check operation in
Service Diagnostics Test Cycle.
Advance Service Cycle until
detergent dispenser opens. Fill
valve should be off. Listen to see if
dishwasher is still filling. If still filling,
unplug dishwasher or disconnect
power and replace control.
Function
Code
Problem
Code
Causes
What to Check
6-
Inlet Water
(cont.)
4-
Float
Switch
Open
(cont.)
4. Fill valve
mechanically
stuck open.
Confirm dishwasher fills while the
door is open. If yes, unplug
dishwasher or disconnect power,
turn off water to dishwasher,
replace fill valve, and turn water
back on.
5. Too many suds. 1. Allow unit to fill and wash for
1 minute. Open door and check for
excessive sudsing.
2. Instruct customer if using
improper dishwasher detergent
(hand detergent).
3. Disconnect power and replace
dispenser if see excessive rinse aid
leakage.
6. Open fuse F9 to
fill valve and other
triac loads.
Refer to “Fuse Service Check” in
“Meter Check of Loads and Fuses”
section.
7-
Flowmeter
Disconnected or
damaged
flowmeter.
1. Disconnect power or unplug unit.
2. Check connections at salt level
sensor and at flowmeter.
3. Use meter to check for flowmeter
switch closed. Use meter to check
salt level sensor. Switch is open
when salt reservoir is filled and
closed when salt reservoir is low/
empty.
4. Disconnect flowmeter and leave
salt level sensor connected. Apply a
magnet to side of the salt tank near
the sensor connection to force the
switch closed.
5. With the magnet in place, run the
complete Service Diagnostics
cycle. If the sanitized LED turns on
in interval 3, the control is good;
replace the flowmeter assembly. If
the sanitized LED does not turn on,
the control input has failed; replace
the control.
8-
Regen
Valve
Electrical
Problem
1. Loose
connection in
Regen valve
circuit and/or
open Regen
valve solenoid.
Unplug dishwasher or disconnect
power and check resistances of
Regen valve solenoid and all
connections in the Regen Valve
circuit. Fix/replace open
connection/part.
2. Open fuse
on control to
Regen valve.
Refer to “Fuse Service Check” in
“Meter Check of Loads and Fuses”
section.
3. Regen valve
drive circuit on
the control.
Unplug dishwasher or disconnect
power and replace control.
7-
Heating
1-
No Heat
1. Control
programmed to
disable heater, but
continue running
cycles if it detects
a water heating
problem.
Running diagnostics clears the
control and allows the heater to turn
on again. Water heating problem
must be corrected, or the control
will disable the heater again. See
Heater circuit problem below.
2. Heater circuit
problem:
- Open in heater.
- Open connection
or component in
heater circuit.
1. Unplug dishwasher or disconnect
power.
2. Measure resistance of heater and
all components and connections in
Water Heating circuit/Heat Dry
circuit. Fix/replace open
connection/part.
3. Heater Drive
circuit on the
control.
Unplug dishwasher or disconnect
power and replace control.
2-
Heater
Stuck On
Heater Drive
circuit on the
control.
1. Unplug dishwasher or disconnect
power and replace control.
2. Inspect heater and connections
for overheating/shorting. If
evidence of overheating or shorts
exists, replace.
8-
Draining
2-
Drain Motor
Electrical
Problem
1. Loose
connection in
Drain Motor circuit
and/or open Drain
Motor winding.
Unplug dishwasher or disconnect
power and check resistances of
drain motor winding and all
connections in the drain motor
circuit. Fix/replace open
connection/part.
Function
Code
Problem
Code
Causes
What to Check
