KitchenAid KUDE20FB*0 Technical Education

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KitchenAid KUDE20FB*0 Technical Education Manual pdf 96 page image

5-12 n KitchenAid 2013 Stainless Steel Tall Tub DishwasherDIAGNOSTICS & TROUBLESHOOTINGFor Service Technician Use OnlyCUSTOMERDESCRIPTIONPOTENTIAL CAUSES CHECK RELATEDERRORCODESCLEAN LED FLASHES CONTROL PROGRAMMED WITH SELFDIAGNOSTICS. READ FUNCTION CODE BEING DISPLAYED TO CUSTOMER ANDREFER TO FUNCTION CODES PORTION OF ERROR CODE TABLE.RUN SERVICE DIAGNOSTICS TEST CYCLE TO READ FULL HISTORYOF ERROR CODES.WON’T RUN or POWER UP(“DEAD” KEYPAD/CONSOLE)- NO OPERATION- NO KEYPAD RESPONSE- NO LEDS OR DISPLAYNO POWER TO UNIT OR BAD CONNECTION. CHECK FUSES, CIRCUIT BREAKERS AND JUNCTION BOXCONNECTIONS.LOOSE CONNECTIONS IN DISHWASHERPOWER UP CIRCUIT OR BETWEEN KEYPAD(S)AND CONTROL.1. UNPLUG DISHWASHER OR DISCONNECT POWER.2. CHECK CONTINUITY POWER CONNECTIONS TO CONTROL ANDCONNECTIONS BETWEEN KEYPAD(S) AND CONTROL.MODEL HAS AN LCD DISPLAY AND THECONTROL HAS BEEN EXCHANGED FOR ONETHAT IS NOT COMPATIBLE WITH THE LCDDISPLAY MODULE.VERIFY CORRECT CONTROL IS INSTALLED. CONTROL SHOULDHAVE NO 4-PIN USER INTERFACE CONNECTOR PRESENT AT P1A IFIT IS CONFIGURED FOR AN LCD MODEL . REPLACE CONTROL.FAULTY USER INTERFACE OR CONTROL 1. UNPLUG DISHWASHER OR DISCONNECT POWER. DISASSEMBLEDOOR AND INSPECT CONTROL POWER CONNECTOR (P4) ANDADJACENT PC BOARD FOR DAMAGE. REPLACE AS NEEDED.2. REFER TO SERVICE ERROR CODES TABLE FOR STUCK KEY (2-1).RUN THE DIAGNOSTIC CHECK, ITEM (1).-IF DRAIN MOTOR TURNS ON, CONTROL IS OK. REPLACE THE UI.-IF DRAIN MOTOR DOES NOT TURN ON, REPLACE CONTROL.3. INSPECT UI CABLE FOR LOOSE OR DAMAGED WIRING. REPLACEAS NEEDED.4. INSPECT UI ASSEMBLY FOR DAMAGE OR CONTAMINATION.REPLACE UI AS NEEDED.2-1WON’T RUN AND LED FORSTART/RESUME KEY ISBLINKING SLOWLYBY DESIGN, IF THE DOOR IS OPENED FORMORE THAN 5 SECONDS OR POWER ISINTERRUPTED DURING A CYCLE, THE USERMUST PRESS THE START/RESUME KEY TORESUME OPERATION.INSTRUCT CUSTOMER. REFER TO USE & CARE MANUAL.START/RESUME KEY NOT RESPONDING. SEE “ONE OR MORE KEYS WON’T RESPOND”.CONTROL DETECTED DOOR SWITCHPROBLEM. REFER TO SERVICE ERROR CODES TABLE. 5-1WON’T RUN ANDLED ABOVE KEY ISFLASHING RAPIDLY ANDCONTINUOUSLYSTUCK KEY / SHORT CIRCUIT(S) IN KEYPADOR IN CONTROL’S INPUT LINES THAT READTHE KEYS.REFER TO SERVICE ERROR CODES TABLE.2-1WON’T RUN AND ALL LEDSON SOFTWARE / HARDWARE INCOMPATIBILITYPROBLEM WITH CONTROL. REFER TO SERVICE ERROR CODES TABLE. 1-2WON’T START AND START/RESUME KEY LED FLASHES3 TIMES WHEN START/RESUME KEY IS PRESSEDCONTROL LOOKING FOR DOOR TO OPENBETWEEN CYCLES:- CUSTOMER HAS NOT OPENED DOOR SINCELAST CYCLE.- DOOR SWITCH CONTACTS STUCK CLOSED.REFER TO SERVICE ERROR CODES TABLE.5-2WON’T ACCEPT KEYPRESSES AND CONTROLLOCK LED ONCONTROL LOCKOUT FEATURE ACCIDENTALLYTURNED ON BY CUSTOMER. INSTRUCT CUSTOMER. REFER TO U &C MANUAL (PRESS & HOLDCONTROL LOCK KEY 5 SEC TO TURN ON/OFF). 2-1Troubleshooting Guide #1NOTES:■ For resistance checks, refer to the “Dishwasher Strip Circuits” section.■ For checking operation with diagnostics, refer to “Service Diagnostics Cycle” section.■ For information on Normal Cycle, 1-Hour Cycle, and Pots & Pans Cycle, See “Wash Cycle Operation” section.