KitchenAid KUDE20FB*0 - Troubleshooting Guide #2

DIAGNOSTICS & TROUBLESHOOTING
KitchenAid 2013 Stainless Steel Tall Tub Dishwasher
n
5-13
For Service Technician Use Only
CUSTOMER
DESCRIPTION
POTENTIAL CAUSES CHECK RELATED
ERROR
CODES
ONE OR MORE KEYS WON’T
RESPOND (BUT SOME KEYS
WORK)
-OR
UNUSUAL LED/ DISPLAY /
KEY BEHAVIOR
STUCK KEY / SHORT CIRCUIT(S) IN KEYPAD
OR IN CONTROL’S INPUT LINES THAT READ
THE KEYS.
REFER TO SERVICE ERROR CODES TABLE.
CAPACITIVE TOUCH KEYPAD ADHESIVE
COMING LOOSE FROM CONSOLE.
1. UNPLUG DISHWASHER OR DISCONNECT POWER.
2. INSPECT KEYPAD BOARD FOR SEPARATION FROM CONSOLE.
REPLACE KEYPAD AND CONSOLE IF SEPARATION IS SEEN.
LOOSE CONNECTIONS BETWEEN KEYPAD
AND CONTROL AND / OR BENT OR
CONTAMINATED CONNECTOR PINS.
1. UNPLUG DISHWASHER OR DISCONNECT POWER.
2. INSPECT CONNECTIONS IN USER INTERFACE CIRCUITS. RE-
CONNECT LOOSE CONNECTIONS. REPLACE PART(S) IF PINS
DAMAGED OR CONTAMINATED.
2-2
EXCESSIVE CONDENSATION ON USER
INTERFACE PARTS DUE TO VENT AND/OR FAN
PROBLEM.
CHECK ERROR HISTORY FOR 10-2 VENT ERROR OR 10-3 FAN
ERROR. REFER TO SERVICE ERROR CODES TABLE.
10-2
10-3
DEFECTIVE USER INTERFACE 1. UNPLUG DISHWASHER OR DISCONNECT POWER.
2. REPLACE USER INTERFACE CONSOLE ASSEMBLY.
DISHWASHER BEEPS
CONSTANTLY (FOR MODELS
WITH BEEPERS)
USER OPENED DOOR DURING CYCLE AND
CLOSED DOOR WITHOUT PRESSING START /
RESUME TO RESUME CYCLE.
INSTRUCT CUSTOMER. DISHWASHER CONTROL IS DESIGNED TO
BEEP IF DISHWASHER IS IN “CYCLE INTERRUPT” MODE WITH
DOOR LATCHED. CONTROL WILL STOP BEEPING WHEN DOOR IS
OPENED AND/OR START / RESUME KEY IS PRESSED TO RESUME
CYCLE.
NORMAL BEEPER OPERATION IS EXCESSIVE
TO CUSTOMER.
INSTRUCT CUSTOMER HOW TO TURN BEEPER OFF/ON. PRESS
AND HOLD HI TEMP KEY FOR 3 SECONDS (TONE SOUNDS).
DOOR NOT OPENED BETWEEN THE CYCLES. INSTRUCT CUSTOMER. CONTROL WILL BEEP IF NEW CYCLE
STARTED AND THE DISHWASHER DOOR WAS NOT OPENED SINCE
THE LAST COMPLETED CYCLE.
5-2
LONG CYCLES AND/OR
STUCK IN CERTAIN PART OF
CYCLE
AS PART OF NORMAL OPERATION, THE
DISHWASHER PAUSES 2 OR 3 TIMES DURING
THE CYCLE FOR THERMAL HOLDS AND
ADVANCES ONCE TEMPERATURE IS MET.
INSTRUCT CUSTOMER. EXPLAIN THERMAL HOLDS AND HOW THE
CYCLE PAUSES WHEN THEY OCCUR. EXPLAIN HOW TODAY’S MORE
ENERGY EFFICIENT DISHWASHERS RUN LONGER CYCLES BUT USE
LESS ENERGY OVERALL.
OWI SOIL SENSOR PICKING HIGH SOIL CYCLE
TOO OFTEN.
1. RUN SERVICE DIAGNOSTICS CYCLE TO CHECK IF OWI SHOWING
HIGH SOIL WITH CLEAR WATER.
2. CHECK LENS SURFACE. CLEAN IF NEEDED.
3. UNPLUG DISHWASHER OR DISCONNECT POWER.
4. REPLACE OWI & RUN DIAGNOSTICS AFTER INSTALLING NEW
OWI TO FORCE CALIBRATION ON NEXT WASH CYCLE.
A WATER HEATING PROBLEM COULD CAUSE
LONG CYCLES BUT WILL TYPICALLY CAUSE A
“WATER HEATING FAULT”.
REFER TO SERVICE ERROR CODES TABLE.
7-1
HEATER TAKES A LONG TIME TO HEAT WATER
WITH LOW VOLTAGE.
CHECK FOR AT LEAST 100VAC AT POWER SOURCE.
INCOMING WATER TOO COLD REFER TO SERVICE ERROR CODES TABLE. 6-6
SUDS / AIR IN PUMP REQUIRES REPEATED
WASH PERIODS.
REFER TO SERVICE ERROR CODES TABLE.
6-3
OWI OR NTC SENSOR PROBLEM. REFER TO SERVICE ERROR CODES TABLE. 3-1, 3-3
LEDS/OR DISPLAYS RUN
FOR SHORT TIME (BUT NO
LOADS RUNNING) AND
THEN SHUTS OFF
UNIT IS IN SALES DEMO MODE. CHECK OPERATION OF CANCEL KEY; IF NO CANCEL LED RESPONSE
TO MULTIPLE CANCEL KEY PRESSES, THE CONTROL IS LIKELY IN
SALES DEMO MODE. RUN SERVICE DIAGNOSTICS CYCLE TO CLEAR
DEMO MODE.
OPEN F8 (WASH MOTOR) FUSE OR F9 (TRIAC
LOAD FUSE) ON CONTROL DISABLED LOADS.
REFER TO FUSE SERVICE & RESISTANCE CHECKS ON PAGE 1 (NEXT
TO METER CHECK DIAGRAM).
CAN START A CYCLE
BUT ONLY RUNS FOR A
SHORT TIME - DOES NOT
COMPLETE CYCLE (CLEAN
LED OR COMPLETE MIGHT
ALSO BLINK)
CONTROL CANCELLED CYCLE DUE TO ERROR
DETECTED WITH WASH MOTOR, DRAIN
MOTOR, LOW WATER OR SUDS.
REFER TO SERVICE ERROR CODES TABLE. 4-4
6-1, 6-3
8-4
UNIT IN SALES DEMO MODE RUN SERVICE DIAGNOSTICS CYCLE TO CLEAR DEMO MODE.
Troubleshoong Guide #2