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E0

E0 - Product not wired correctly (F9)

KitchenAid · Microwave Combination Oven

What does E0 mean?

This error indicates an issue with how the oven is electrically wired to the house power supply, potentially an incorrect neutral connection or phase wiring.

Common Causes

  • Incorrect house wiring to the product.
  • Neutral connection switched with L1 or L2.
  • Improper installation of the oven.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the oven power at the circuit breaker, wait 10 seconds, then turn it back on.

  2. 2

    Enter Diagnostics mode by pressing CANCEL>CANCEL>START, then press the 3 or 6 keypad to scroll to the Faults screen and verify the E0 error code.

  3. 3

    Run a cooking function to see if the error clears and operation becomes normal.

  4. 4

    Consult the oven's installation instructions to verify the proper electrical connections for your model, paying close attention to neutral, L1, and L2 connections.

  5. 5

    If the error persists, immediately contact a qualified electrician to inspect the house wiring to the oven. Do not operate the oven until this issue is resolved.

  6. 6

    Clear the error codes from the Diagnostics Menu by pressing CLOCK/TOOLS, then START, if the issue resolves.

Browse all codes in this manual (17)
Verified technical data. Last updated: April 2026

Related Faults

E1E1 - Stuck/shorted key (F2 Keypad)E3E3 - Meat Probe Connector Jack or Meat Probe ShortedE4E4 - Microwave Oven Relay 4903 Error (F1)
Source: KitchenAid Microwave Combination Oven
Open Manual (Page 48)Search more codes in this manual