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Source-backed error-code guide

Reviewed

JennAir Microwave DOOR / OPEN/CLOSE DOOR Error Code

DOOR or OPEN/CLOSE DOOR is usually a safety/status message rather than proof of a failed interlock. Open and close the door normally, remove visible packing or rack interference, and stop if the message will not clear.

Applies to JennAir over-the-range or built-in microwave with a door-status display

What the appliance detected

Detected condition

The control is asking for a normal door open-and-close action before it will accept a new start command.

What may contribute

Possible causes

  • The door may have remained closed for several minutes without the microwave being started.
  • Packing material, an oversized dish, or a rack out of position may interfere with normal closure.
  • If the message persists with a clear, normally closing door, the latch/interlock or related internal path may require qualified service.

Start conservatively

Safe preliminary checks

Work in order and stop whenever a step is not supported by the documentation for your model.

  1. Record the exact display and model first

    • Photograph or write down the complete display before clearing it: DOOR, OPEN/CLOSE DOOR.
    • Confirm the full JennAir model number and whether the appliance is over-the-range or built-in. JennAir code meanings can vary by microwave platform.

  2. Use only normal, visible door checks

    • Open and close the door normally, then try the start command again. Remove visible packing material and make sure a cooking rack or oversized dish is not preventing full closure.
    • Do not force the door, pry at the latch, remove trim, or adjust any interlock switch.

Actions not recommended

  • Do not remove the outer cabinet, control panel, vent housing, waveguide cover, trim that exposes service areas, or any microwave service panel.
  • Do not touch or test the high-voltage capacitor, transformer, inverter, magnetron, internal fuses, relays, thermistors, sensors, interlock wiring, or control boards. Dangerous voltage can remain after power is disconnected.
  • Do not perform live-voltage, resistance, continuity, capacitor-discharge, hardwire, or internal connector testing as a homeowner troubleshooting step.
  • Do not bypass, tape, bridge, defeat, or adjust a door-interlock switch, and do not operate a microwave with a damaged or misaligned door.
  • Do not replace a board, sensor, thermistor, relay, switch, fan, or wiring harness from the display code alone.

When to stop and request service

  • Request qualified service if the message persists after normal closure checks or if the door is damaged, loose, misaligned, or cannot latch normally.
  • Request qualified microwave service if the code or message returns after the documented owner-safe checks.
  • Leave the appliance powered off and seek service immediately for smoke, a burning odor, repeated arcing, abnormal overheating, a damaged door, visible wiring damage, water near electrical parts, or repeated breaker trips.

Documented source

Official information reviewed

Our summary is based on manufacturer support material and stays within the limits of that material.

Source reviewed by Appliance Help HQ: September 24, 2026.

Appliance Help HQ is an independent informational site and is not affiliated with or endorsed by JennAir.

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