Model reference

KitchenAid KUDE20FBSS0

Dishwasher

2 documents30 error codes2 service modes

Available documentation

Tech Sheet

TechSheet W10455258 RevA FR2 pg
Covers this model
Jennair Dishwasher JDB8500AWX3 W10455257 Tech Sheet2 pg
Covers this model

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Control detected K400 pilot relay stuck

From Tech Sheet W17510695, p.27:

1.Access service mode to confirm the active fault code and read stored error history.

2.Measure control board supply voltage at test points. Expected: 12 VDC and 5 VDC.

3.Inspect all connectors on the main control for corrosion or backed-out pins.

Part WPW10804018

Electronic control board

Error codes (30)

CodeMeaning

1-1Control detected K400 pilot relay stuck closed.1-2Damaged or corrupted memory on control board or incompatible software…10-1Dispenser electrical problem 10-2Vent wax motor electrical problem (not all models)10-3Drying fan error (on models with fan)2-1Control detected stuck key(s) in keypad or keypad connection.2-2No response from user interface; User Interface cannot communicate with main…3-1Open thermistor/OWI temperature sensing circuit 3-2Shorted thermistor/OWI temperature sensing circuit 3-3OWI (optical soil sensor) failure or failed calibration.4-2Motor problems force cycle to start and stop repeatedly.4-4Wash motor failure 5-1Door switch stuck open 5-2Door switch stuck closed 6-1Low water or no water (mechanical problem)6-2Fill valve electrical problem 6-3Suds or air in pump 6-4Float switch open 6-6Fill valve triac on control shorted, or fill valve mechanically stuck open.6-8Rinse aid dispenser problem (for models with water softener 7-1No heat 7-2Heater stuck on 8-1Slow drain 8-2Drain motor electrical problem 8-3Drain motor electrical problem 8-4Drain motor electrical problem 9-1Diverter can't find position 9-2Diverter stuck on 9-3Diverter disk missing 9-4Diverter problem (general).

Service modes (2)

Rapid Advance Mode["After starting a cycle, press HI TEMP
Service Diagnostics Cycle["Press Start key to wake up control panel.","Press any 3 keys in the sequence 1-2-3-1-2-3-1-2-3…

Full entry steps, exit procedures, and test sequences are available in Max.

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