2.Measure control board supply voltage at the test points. Expected: 12 VDC and 5 VDC; a drop below 4.75 VDC on the logic rail points to a failed onboard regulator.

3.Inspect all connectors on the main control for corrosion, thermal stress, or backed-out pins. Reseat each connector with the power disconnected.

Part WPW10804018

Electronic control board

Top Error Codes for Jenn-Air

CodeTypeDescription

E2CooktopOverheating of the induction coil (display flashing).E5CooktopError on filter board due to incorrect wiring or error on power board.E6CooktopError on power unit due to incorrect wiring or error on power board.E9CooktopCoil temperature sensor defective.Er 20CooktopFlash failure; microcontroller (μC) is faulty.Er 22CooktopDefective keypad; control unit cuts off after 3.5 to 7.5 seconds due to...Er 31CooktopConfiguration data incorrect; configuration of induction necessary.Er 36CooktopNTC value is not within its specification (value < 200 mV or > 4.9 V); control...Er 47CooktopCommunication error between touch control (TC) and induction module; none or...U400CooktopSecondary voltage of the power unit too high (primary > 300 V); control unit...10-1DishwasherDispenser electrical problem — loose connection in dispenser circuit and/or...10-2DishwasherVent wax motor electrical problem (not all models) — loose connection in vent...10-3DishwasherDrying fan error (on models with fan) — loose connection in fan circuit and/or...1-1DishwasherControl detected K400 pilot relay stuck closed.1-2DishwasherDamaged or corrupted memory on control board or incompatible software...

View all Jenn-Air error codes

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