Service Error Codes - KitchenAid KUDE20FB*0 Technical Education

Service Error Codes #1

FUNCTION PROBLEM
CODE CODE
1 - CONTROL 1-PILOT
STUCK ON
2-CONTROL
SOFTWARE
ISSUE
2-USER INTERFACE 1-STUCK
KEY
2-NO
RESPONSE
FROM UI
3-THERMISTOR/ 1-OPEN
OWI
2-SHORTED
For Service Technician Use Only
CAUSES
CONTROL DETECTED K400 PILOT RELAY STUCK
CLOSED.
DAMAGED OR CORRUPTED MEMORY ON
CONTROL BOARD; INCOMPATIBLE SOFTWARE
COMPONENTS INSIDE MICRO.
CONTROL DETECTED STUCK KEY(S) IN KEYPAD
OR KEYPAD CONNECTION.
NOTE: CONTROL ONLY ALERTS CUSTOMER IF
START/RESUME OR CANCEL KEY IS STUCK. IF
ANY OTHER KEYS ARE STUCK, THE STUCK KEY(S)
WILL BE IGNORED AND AN ERROR RECORDED
TO SERVICE HISTORY, BUT NO ALERT TO
CUSTOMER.
USER INTERFACE CAN NOT COMMUNICATE
WITH MAIN CONTROL. LOOSE USER INTERFACE
CONNECTION.
WRONG CONTROL INSTALLED
- OPEN CONNECTION OR COMPONENT IN
TEMPERATURE SENSING CIRCUIT.
- OPEN OR FAULTY TEMPERATURE SENSOR
- FAULTY TEMPERATURE SENSOR INPUT ON
CONTROL.
- INCOMING WATER TEMPERATURE ABOVE
167F(75 C)
- SHORTED CONNECTION OR COMPONENT IN
TEMPERATURE SENSING CIRCUIT.
- SHORTED OR FAULTY TEMPERATURE SENSOR.
- FAULTY TEMPERATURE SENSOR INPUT ON
CONTROL.
DIAGNOSTICS & TROUBLESHOOTING
WHAT TO CHECK
1. UNPLUG DISHWASHER OR DISCONNECT POWER.
2. CHECK ALL LOADS ON K400 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.
(1) IF SOME KEYS DO NOT RESPOND, THEN:
- UNPLUG DISHWASHER OR DISCONNECT POWER.
- DISASSEMBLE DOOR AND DISCONNECT KEYPAD CONNECTION
FROM CONTROL OR LCD DISPLAY MODULE.
- VERIFY ALL OTHER CONNECTIONS TO CONTROL ARE MADE.
- RE-ASSEMBLE DOOR BUT DO NOT CLOSE DOOR.
- PLUG IN DISHWASHER OR RECONNECT POWER
- WAIT AT LEAST 7 SECONDS FOR CONTROL TO POWER UP
COMPLETELY.
- CLOSE DISHWASHER DOOR & MONITOR CONTROL RESPONSE:
(A) IF CONTROL IS OK (NO LONGER SEES STUCK KEYS WITH
KEYPAD UNPLUGGED), IT WILL RESPOND BY TURNING ON
THE DRAIN MOTOR FOR 2 MINUTES. REPLACE KEYPAD AND
CONSOLE.
(B) IF CONTROL IS NOT OK (STILL SEES STUCK KEYS WITH
KEYPAD UNPLUGGED), IT WILL NOT TURN ON DRAIN
MOTOR. WAIT FOR AT LEAST 10 SECONDS. IF STILL NO
DRAIN RESPONSE, THEN REPLACE CONTROL OR LCD
DISPLAY MODULE (WHICHEVER ONE THE KEYPAD WAS
CONNECTED TO).
(2) IF KEYS APPEAR OR INTERMITTENT, AND KEYPAD IS
CAPACITIVE TOUCH TYPE, THEN:
(A) VERIFY TUB BRACKETS ARE SCREWED TO UNDERSIDE OF
COUNTERTOP AND NOT HANGING OVER KEYS (IF SCREW
HEADS TOO CLOSE, RELOCATE SCREW TO ALTERNATE
HOLE).
(B) CHECK FOR EVIDENCE OF MOISTURE OR DEBRIS ON THE
SURFACE OF THE KEYS; IF EVIDENT, CLEAN AND INSTRUCT
CUSTOMER ABOUT KEEPING SURFACE CLEAN. CHECK
ERROR CODE HISTORY FOR VENT ERROR 10-2 AND/OR FAN
ERROR 10-3 AS POTENTIAL CAUSE OF CONDENSATION ON
USER INTERFACE.
1. UNPLUG DISHWASHER OR DISCONNECT POWER.
2. CHECK CONNECTIONS BETWEEN LCD DISPLAY MODULE AND P1C
CONNECTOR ON THE CONTROL:
IF CONNECTION(S) LOOSE, THEN RE-CONNECT.
3. CHECK FOR 5VDC FROM P1C-2 TO P1C-4. IF NO VOLTAGE AT
CONTROL, REMOVE POWER AND REPLACE MAIN CONTROL
BOARD
VERIFY CORRECT CONTROL IS INSTALLED. CONTROL SHOULD HAVE
NO CONNECTOR PRESENT AT P1A. IF WRONG DISCONNECT POWER
AND 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, FIX/REPLACE
OPEN CONNECTION / PART.
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, FIX/REPLACE
SHORTED WIRES / PART. (SEE OWI SENSOR STRIP CIRCUIT)
KitchenAid 2013 Stainless Steel Tall Tub Dishwasher 5-7
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