Whirlpool WMC50522AS0 countertop microwave turntable Parts

No. An over-the-range microwave is designed to be mounted in a cabinet above a range, not set on a countertop. For safe airflow and proper support, use a true countertop model like Whirlpool WMC50522AS0 and follow the placement and clearance guidance in the WMC50522AS0 owner's manual.

Why over-the-range models are not countertop-friendly

Over-the-range microwaves rely on a specific mounting method and ventilation path. Setting one on a counter can restrict airflow, create stability issues, and put heat and weight in the wrong place.

What we recommend instead

If you need a microwave on the counter, use a countertop microwave and set it up the way it was designed.

• Place the microwave on a counter, table, cart, or shelf that can support the unit plus food and cookware.
• Keep the legs installed so air can flow underneath.
• Do not block exhaust vents or air intake openings.
• Leave a few inches of space at the back and sides where vents are located.
• Avoid tight enclosures unless you are using a proper built-in trim kit and following the installation instructions.

Quick comparison: over-the-range vs countertop

Feature	Over-the-range microwave	Countertop microwave (like WMC50522AS0)
Primary installation	Mounted to cabinet and wall	Sits on a sturdy surface
Venting design	Integrated venting for range area	Requires open space around vents
Best use case	Saves counter space above a cooktop	Flexible placement on counter or shelf

Why it matters

Microwaves need correct airflow to prevent overheating and to cook consistently. Proper placement also reduces the chance of the unit shifting, rattling, or damaging the counter surface.

Parts that help with stable countertop use (WMC50522AS0)

If your microwave rocks, vibrates, or the turntable support is worn, these model-matched parts can help:

• Microwave foot WPW10644489 (helps stabilize the cabinet on the counter)
• Ring turn W10859927 (supports the turntable tray)
• Cook tray WPW10510836 (the glass tray that rotates)

For ordering, use the parts list for Whirlpool WMC50522AS0 on this page, or search by model number on Sears PartsDirect.

Last updated: February 2026

Common problems we see with Whirlpool countertop microwaves like model WMC50522AS0 include not heating, the turntable not rotating, shutting off mid-cycle, and keypad or display issues. Many of these symptoms trace back to door interlock switches, power supply problems, or turntable drive parts.

Most common symptoms and what they usually mean

• Runs but doesn’t heat: often a door switch issue, or a high-voltage component problem (magnetron, diode, capacitor)
• Turntable won’t spin: tray support/ring issue, coupler/drive issue, or the tray is mis-seated
• Shuts off or goes dead: loose power cord, outlet/circuit issue, overheating/blocked vents, or internal fuse/thermal protection
• Buttons don’t respond: control panel or control board problem, or moisture/grease contamination
• Arcing/sparking: damaged waveguide cover, metal in the cavity, or food splatter buildup

Quick checks we recommend (safe, no disassembly)

1. Confirm power is solid: plug directly into a known-good outlet (avoid extension cords and power strips).
2. Check the door closes firmly: if the door feels loose or misaligned, the interlock switches may not engage consistently.
3. Verify the turntable is seated correctly:
   • Center the glass tray on the drive hub
   • Make sure the roller ring sits flat and can roll freely
   • Remove crumbs that can jam the ring
4. Improve airflow: keep vents clear; overheating can cause shutdowns.
5. Reset behavior: unplug for 1 minute, then retry a short heat cycle.

Turntable-related parts that commonly fix “not spinning”

If your WMC50522AS0 heats but the tray does not rotate, these model-matched parts are the first place we look:

Symptom	Likely cause	Part to consider
Tray wobbles or drags	worn/warped support	Support W10510839
Ring binds or won’t roll	damaged roller ring	Ring turn W10859927
Tray is chipped or won’t sit flat	damaged glass tray	Cook tray WPW10510836

Why it matters

A microwave that does not heat or that shuts off unexpectedly can point to electrical or high-voltage faults. For safety, we use the WMC50522AS0 owner’s manual for operating guidance and basic checks, and we recommend a qualified technician for internal electrical testing.

You can order replacement parts for your Whirlpool WMC50522AS0 from the parts list for this model, or search by model number on Sears PartsDirect.

Last updated: February 2026

There is no single “standard” countertop microwave size, but most units fall in a predictable range. For Whirlpool model WMC50522AS0, plan around typical countertop dimensions (about 21 to 25 inches wide and 12 to 15 inches tall), then confirm clearances and placement guidance in the WMC50522AS0 owner's manual.

Typical countertop microwave size ranges

Most countertop microwaves land in these common ranges:

• Capacity: about 1.0 to 2.2 cu. ft.
• Width: about 21 to 25 in.
• Height: about 12 to 15 in.
• Depth: often 16 to 20 in. (allow extra space behind for airflow)

Clearances and placement that matter (especially for WMC50522AS0)

Even when the outside dimensions fit, airflow and stability determine whether the microwave runs safely and cooks properly.

• Set the microwave on a solid, level surface that can support the unit plus food.
• Do not block exhaust vents or air intake openings; leave a few inches at the back and sides where vents are located.
• Keep the microwave feet/legs installed so air can circulate underneath.
• Use two people to move it; this model is over 35 lb.

Countertop vs built-in opening sizes (do not mix them up)

If you are measuring for a cabinet opening or trim kit, those cutout dimensions are different from “countertop size.” Use the installation instructions for built-in planning.

What you are measuring for	What to measure	Best reference
Countertop placement	Outside width, height, depth plus airflow space	WMC50522AS0 owner's manual
Cabinet cutout/trim kit install	Cutout width/height/depth and required clearances	WMC50522AS0 installation guide

Why it matters

Choosing a microwave by “standard size” alone can lead to poor ventilation, overheating shutoffs, or doors that hit nearby cabinets. Measuring the space and following the model’s clearance guidance prevents performance problems and premature part wear.

You can also order replacement turntable parts for WMC50522AS0, such as the cook tray WPW10510836 or ring turn W10859927, from the parts list for this model, or search by model number on Sears PartsDirect.

Last updated: February 2026