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Model library · KitchenAid Microwave

KHMS2040W

KitchenAid KHMS2040W Microwave Hood Oven Repair

Schedule Service(713) 903-2606
KitchenAid microwave

Most common issues on this model

  1. Hood fan that is loud or weak
  2. Popcorn Sensor ending a cycle too early or too late
  3. Worn hinges and latch
  4. Dead lamp or damaged holder

The KHMS2040W is a microwave hood combination with 2.0 cu. ft. of space and a 300 CFM hood, also sold as KHMS2040WSS and KHMS2040WWH. Because it serves as both oven and range vent, it deals with steam and grease constantly.

If the Popcorn Sensor stops a bag too early or burns it, we check the vent path and the sensor wiring first. A loud or weak hood means filters and blower wheel, so we clean both and listen to the motor. The door latch and lamp are tested before we leave. Prices are written in advance and repairs are covered for 30 days.

We finish by running a measured load and a short vent test, so you can hear the hood at each speed and watch the oven finish a cycle before we pack up.

Key features

  • Microwave hood combination oven
  • 2.0 cu. ft. over-the-range microwave
  • 300 CFM hood
  • Popcorn Sensor
  • Variants: KHMS2040WSS, KHMS2040WWH
→Codes

Error codes this model can show

Sabbath, Sab, 5Ab, or 5A6KitchenAid Built-In Microwave Display Sabbath, Sab, 5Ab or 5A6: Sabbath Mode is on SEKitchenAid Over-the-Range Microwave Code SE: Keypad or user interface problem Probe or Insert ProbeKitchenAid Combination Microwave Message "Probe" or "Insert Probe": Seat the meat probe in its jack PUSH or PSHKitchenAid Built-In Microwave Message PUSH or PSH: The oven is waiting for Start Registration ErrorKitchenAid Over-the-Range Microwave Message "Registration Error": Check the home network and try again F6KitchenAid Over-the-Range Microwave Code F6: Relay control board FC E2KitchenAid Over-the-Range Microwave Code FC E2: Weak network signal at the microwave F6 E3KitchenAid Built-In Microwave Code F6 E3: Appliance manager and converter control
KHMS2040WKHMS2040W questions
My KHMS2040W burns popcorn even with the Popcorn Sensor on. Why?

The sensor reads steam leaving the oven, so a blocked vent or loose sensor connection throws it off. We clean the path, test the sensor, and run a sample bag.

The hood on my KHMS2040W pulls less air. Is the motor failing?

Usually the filters are clogged. We clean them and the blower wheel first. If airflow stays weak at all speeds, we test the motor and replace it only then.

Is it worth fixing a dark lamp in a KHMS2040W?

Yes, and it is a quick job. We test the bulb and the socket, because a scorched holder keeps killing new bulbs. Replacing the holder fixes it for good.

Book a visit

Book repair for your KHMS2040W

Book in about a minute, or call the desk. Same-day windows inside the Loop on most days, next-day across the rest of Houston.

(713) 903-2606
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