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Error E13 Degraded US market

JennAir Microwave Error Code E13

E13 on a JennAir microwave usually means: The oven did not pre-heat correctly. On a JennAir Microwave, code E13 points to the power supply.

Fix it fast: Manufacturer troubleshooting steps. Full ranked steps below.

Likely part
power supply
Fault type
power
Manufacturer source Updated Oct 17, 2026 View source

How to fix E13 — ranked steps

Try these in order. Stop when the code clears.

  1. 1 Manufacturer troubleshooting steps

    DIY
    • Power unit down by turning off the circuit breaker(s) for one (1) minute.
    • Power unit up by turning on the circuit breaker(s).
    • Monitor the microwave for one (1) minute to ensure the error code does not display again.
    • Verify microwave operation.

Frequently asked questions

What does JennAir Microwave error E13 mean?

The oven did not pre-heat correctly. On a JennAir Microwave, code E13 points to the power supply.

Which part is usually at fault for JennAir error E13?

The most commonly implicated component is the power supply.

What is the first thing to try for JennAir error E13?

Power unit down by turning off the circuit breaker(s) for one (1) minute. Power unit up by turning on the circuit breaker(s). Monitor the microwave for one (1) minute to ensure the error code does not display again. Verify microwave operation.

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