Model reference

Whirlpool MDB4949SDH

Name: Whirlpool MDB4949SDH
Brand: Whirlpool

Dishwasher

2 documents24 error codes2 service modes

Available documentation

Tech Sheet

MDB4949SDH Tech Sheet W10610054 Rev B12 pg
Covers this model

Other

W11438315 DW03G CF LS wo JennAir)3 pg
Covers this model

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1-1 on my Whirlpool MDB4949SDH

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Control detected K2 pilot relay stuck

From Tech Sheet W10245738, p.30:

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 (24)

CodeMeaning

1-1Control detected K2 pilot relay stuck closed.1-2Control software issue; all LEDs are on indicating software or hardware…10-1Dispenser electrical problem; loose connection in dispenser circuit and/or open…10-3Drying fan error; loose connection in fan circuit and/or open fan motor.2-1Control detected stuck key(s) in keypad or keypad connection.2-2User interface cannot communicate with main control; loose user interface…3-1Open connector or component in Temperature Sensing circuit (open or faulty…3-2Incoming water temperature above 167°F (75°C) or shorted connection/component…3-3OWI (Optical Water Indicator) failed calibration.4-3Wash motor not running due to loose connection in motor circuit and/or faulty…5-1Door stuck open; door was not latched within 4 seconds of pressing the…5-2Door stuck closed; control detected door switch stuck closed between cycles.6-1Low or no water to dishwasher (mechanical problem).6-2Fill valve electrical problem; loose connection in fill valve circuit and/or…6-3Suds or air detected in pump.6-4Overfill float switch open; overfill switch stuck in overfill position and/or…6-6Cool water; incoming water under 84°F (29°C).6-7Flowmeter disconnected or damaged.6-8Water softener regeneration valve electrical problem (water softener models…7-1Heater no heat; control programmed to disable heater due to detected water…7-2Heater stuck on; heater drive circuit on the control.8-1Slow drain; obstructed drain hose or path.8-2Drain motor electrical problem; loose connection in drain motor circuit and/or…8-3Drain stuck on; drain motor drive circuit on the control.

Service modes (2)

Customer Cycle Rapid AdvanceAfter starting a customer cycle, press HIGH TEMP
Service Diagnostics Cycle1

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