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Model library · KitchenAid Microwave

KEMC378K

KitchenAid KEMC378K Microwave Service

Schedule Service(713) 903-2606
KitchenAid microwave

Most common issues on this model

  1. A cracked or chipped seal face on the door
  2. Weak magnetron output, giving food that is warm at the edge only
  3. A door switch that will not close, though the lamp and fan work
  4. A worn touch panel with unreliable pads

Plate code KEMC378KBT04 is recorded for the KEMC378K, which is also sold as the KEMC378KSS and KEMC378KWH. When we open the oven for repair, the door assembly is where most of the work turns out to be.

A seal face with a chip, or a latch that has lost its snap, lets the interlocks lose track of the door. We check the seal under light, test each switch with the cover removed, and watch how the door meets the frame at closing. Once the door behaves, we use the panel to start a water-load test and time it.

Slow heating after the door passes points toward the magnetron, and we explain the options plainly. Everything is priced in writing before work begins, and a 30-day workmanship warranty covers the repair.

Key features

  • Base model KEMC378K
  • Microwave oven category
  • Versions KEMC378KBT, KEMC378KSS and KEMC378KWH
  • Rating-plate revision code seen: KEMC378KBT04
→Codes

Error codes this model can show

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 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 F4 E8KitchenAid Combination Microwave Code F4 E8: Inverter or its wiring flagged F9KitchenAid Over-the-Range Microwave Code F9: Two boards and their wiring are suspect ":" or "." in displayKitchenAid Built-In Microwave Display ":" or ".": The clock needs setting
KEMC378KKEMC378K questions
The lamp and fan of my KEMC378K run but the food stays cold. Where do you look?

At the door interlock switches and the seal face. If one switch fails to close, the cooking circuit stays off. We test each switch and inspect the seal edge.

How long does a water-load test take?

A few minutes. We heat a measured cup, record the temperature rise, and compare it with a healthy oven. That tells us if the tube has lost strength.

Should I keep using it if the door feels loose?

We advise against it. A door that does not seat properly puts extra stress on the latch each time it closes, and the interlocks may stop the oven in the middle of a cycle. It is better to stop until we repair it.

Book a visit

Book repair for your KEMC378K

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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