---
title: "F7-E1 – Magnetron Relay Error"
description: "The relay controlling the magnetron high-voltage circuit has failed or is not switching properly. The microwave may run (light, turntable, fan) but…"
url: "https://jennairsupport.com/error-codes/microwave/jennair/microwave-f7-e1-magnetron-relay/"
date_modified: "2026-04-11"
Brand: "JennAir"
Appliance Type: "Microwave"
---


# F7-E1 – Magnetron Relay Error

The relay controlling the magnetron high-voltage circuit has failed or is not switching properly. The microwave may run (light, turntable, fan) but produce no heat. This requires professional repair — microwave high-voltage capacitors store a lethal charge even when the unit is unplugged.

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**[Read full article: F7-E1 – Magnetron Relay Error](https://jennairsupport.com/error-codes/microwave/jennair/microwave-f7-e1-magnetron-relay/)**