KitchenAid KUDE20FB*0 Technical Education page 98

DIAGNOSTICS & TROUBLESHOOTING
Troubleshooting Guide #3
CUSTOMER POTENTIAL CAUSES
DESCRIPTION
WILL NOT DRAIN OR DRAIN LOOP CHECK VALVE NOT SEALING.
EXCESS WATER LEFT IN
DISHWASHER.
NOTE: CHECK ERROR
HISTORY. IF NO ERROR
CUSTOMER MISUNDERSTANDS WATER LEVEL
CODES FOR ELECTRICAL
AFTER DRAIN.
PROBLEMS, PROBLEM IS
MECHANICAL. DO NOT
REPLACE CONTROL.
DRAINING PROBLEM
LOWER SPRAY ARM DOOR OPENED WHILE LOWER SPRAY ARM
BLOCKING THE FILTER CUP MOVING.
REMOVAL. (CONTROLLED
CORRODED OR LOOSE CONNECTION IN
ROTATION LOWER SPRAY
SPRAY ARM SENSOR/MOTOR CIRCUIT
ARM MODELS).
CAUSING LSA TO STOP SOMEWHERE OTHER
THAN HOME POSITION (HOME POSITION
= LSA ROUGHLY 5 CLOCKWISE FROM 12
O'CLOCK.
DETERGENT NOT ITEM IN LOWER RACK BLOCKED LID OR
DISPENSING OR DETERGENT BLOCKED SPRAY OF WATER TO DISPENSER.
LEFT IN DISPENSER NOTE:
MECHANICAL BINDING OF DISPENSER LID.
CHECK ERROR HISTORY
IF NO ERROR CODES FOR
ELECTRICAL PROBLEMS,
LID LATCH BINDING DUE TO EXCESS
PROBLEM IS MECHANICAL.
DETERGENT IN MECHANISM.
DO NOT REPLACE CONTROL
DISPENSER ELECTRICAL PROBLEM
CONTROL CANCELLED CYCLE DUE TO ERROR
DETECTED WITH WASH MOTOR, DRAIN
MOTOR, LOW WATER, OR SUDS.
POOR WASH CYCLE SELECTION OF CUSTOMER NOT
APPROPRIATE FOR DISH LOAD.
PLUGGED OR DAMAGED SCREENS.
SPRAY ARMS NOT ROTATING OR PLUGGED.
POOR WASH DUE TO DRAINING, DISPENSING
&/OR TEMPERATURE PROBLEMS.
CONTROL CANCELLED CYCLE DUE TO ERROR
DETECTED WITH WASH MOTOR, DRAIN
MOTOR, LOW WATER, OR SUDS.
SOIL SENSOR PROBLEM
DIVERTER PROBLEM
DIVERTER DISC MISSING
5-14 KitchenAid 2013 Stainless Steel Tall Tub Dishwasher
n
For Service Technician Use Only
CHECK
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).
INSTRUCT CUSTOMER. SUMP WILL NORMALLY HAVE ABOUT 2.4
CM (1 INCH) OF WATER REMAINING IN FILTER CUP HOLE AFTER
CYCLE.
REFER TO SERVICE ERROR CODES TABLE.
INSTRUCT CUSTOMER CONTROLLED LOWER SPRAY ARM POWER
IS CUT OFF WHEN DOOR IS OPENED.
DISCONNECT POWER AND CHECK CONNECTION AT CONTROLLED
LOWER SPRAY ARM MOTOR AND SENSOR AT THE CONTROL.
INSPECT CONNECTORS FOR WATER AND CONTAMINATION AND
REPLACE AS NEEDED.
RUN THE SERVICE DIAGNOSTIC CYCLE AND CHECK FOR THE LSA
MOTOR/SENSOR OPERATION (NOTE 10). REFER TO SERVICE
ERROR CODE TABLE.
INSTRUCT CUSTOMER ON PROPER DISH LOADING.
1. UNPLUG DISHWASHER OR DISCONNECT POWER.
2. CHECK/REPLACE DISPENSER.
INSTRUCT CUSTOMER ON PROPER DISPENSER FILLING.
REFER TO SERVICE ERROR CODES TABLE.
REFER TO SERVICE ERROR CODES TABLE.
INSTRUCT CUSTOMER ON CYCLE SELECTION. RECOMMEND "HIGH
TEMP" OPTION FOR WASH PERFORMANCE BOOST.
INSPECT FOLLOWING THREE SCREENS:
- FILTER CUP COARSE SCREEN
- FILTER CUP FINE SCREEN
- SUMP FINE SCREEN
1. CHECK ARM ROTATION. IF ARMS BLOCKED BY DISH ITEM,
INSTRUCT CUSTOMER. ALSO CHECK FOR CORRECT UPPER
SPRAY ARM ALIGNMENT WITH DOCKING STATION LOCATED ON
FEED TUBE AT BACK TUB WALL.
2. CHECK NOZZLES; IF PLUGGED CLEAN NOZZLES AND CONFIRM
FILTERS INSTALLED PROPERLY.
3. CONTROLLED LOWER SPRAY ARM MOTOR FAILED. CHECK
SPRAY ARM MOVING IN BOTH DIRECTIONS DURING
DIAGNOSTICS CYCLE.
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".
REFER TO SERVICE ERROR CODES TABLE.
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.
REFER TO SERVICE ERROR CODES TABLE.
REMOVE OUTLET COVER AND INSPECT FOR RED PLASTIC DISC
THROUGH HOLES IN OUTLET. INSTALL NEW DISC IF MISSING.
RELATED
ERROR
CODES
8-1 , 8-4
9-4
10-1
4-4
6-1, 6-3
8-4
9-4
4-4
6-1, 6-3
8-4
3-2
3-3
9-1
9-2