Maytag MMV1174DS1 microwave Parts

A Maytag microwave like model MMV1174DS1 is built from cooking components (magnetron, turntable system, controls) plus safety and venting components (door interlocks, filters, blower). These parts work together to generate microwave energy, move heat evenly, and vent smoke and steam.

Main microwave parts (what they do)

• Magnetron: creates the microwave energy that heats food.
• High-voltage system: transformer and capacitor supply the magnetron.
• Control system: electronic control board, keypad, and display run cook cycles.
• Turntable system: motor and coupler rotate the tray for more even heating.
• Door and safety interlocks: switches and supports prevent operation with the door open.
• Vent and lighting (microwave/hood combo): blower, grease/charcoal filters, and cooktop light.

Common MMV1174DS1 parts you may replace

These are some frequently serviced items for this model:

Part	What it affects	When it is commonly replaced
Microwave door interlock switch W10269458	Safety, starting, stopping	Won’t run, runs only with door pressure, intermittent operation
Microwave fuse W11707984	Power to the unit	Dead microwave, no display after a surge or short
Turntable motor WPW10466420	Tray rotation	Turntable not turning, uneven heating
Filter W10208631A	Venting grease capture	Poor vent performance, visible grease buildup
Microwave/hood light bulb 8206232A	Cooktop lighting	Light out under the microwave

Where to find the full parts breakdown

For MMV1174DS1, the most complete list is in the MMV1174DS1 owner's manual and the MMV1174DS1 installation guide. The installation guide also calls out venting-related items such as the damper assembly, mounting plate, and grease or charcoal filters (depending on venting setup).

Why it matters

Knowing which system a part belongs to helps you troubleshoot faster. For example, “no heat” points toward the high-voltage and magnetron system, while “won’t start” often points toward the door interlock system or fuse.

Last updated: February 2026

On the Maytag MMV1174DS1 microwave/hood combo, the grease filters are located on the underside (bottom) of the microwave. This model can also use a charcoal (odor) filter located behind the vent grille at the top front when the microwave is set up for recirculating (non-vented) operation; see the MMV1174DS1 owner’s manual for the exact configuration and steps.

Filter locations on the MMV1174DS1

• Grease filters: bottom of the microwave, above the cooktop
• Charcoal filter (recirculating setups): behind the vent grille at the top front edge
• Vent grille: the slotted grille across the top front of the unit
• Tip: if your unit vents outside, it typically uses grease filters but may not use a charcoal filter

How to remove and maintain the filters

Grease filters (clean monthly)

• Support the filter with one hand.
• Slide the filter away from the tab area.
• Lower it and remove.
• Clean with mild soap and water or place in the dishwasher.
• Reinstall by inserting one end into the opening opposite the tab, swing the other end up, then slide toward the tab.

Charcoal filter (replace about every 6 months, if equipped)

• Remove the vent grille screws.
• Tilt the grille forward, then lift it out.
• Remove the charcoal filter from its slotted area.
• Reinstall with the wire mesh side up, then reinstall the grille.

Parts you may see listed for filters

Filter listing	What it’s commonly used for	Typical location
Microwave grease filter W10208631A	Grease capture	Underside
Filter 8206230A	Filter used in certain venting configurations	Varies by setup

Why it matters

Clean grease filters keep airflow strong and reduce grease buildup in the vent system. A fresh charcoal filter controls cooking odors when the microwave recirculates air back into the kitchen.

Last updated: February 2026

The average lifespan of a Maytag MMV1174DS1 microwave/hood combo is about 9 to 10 years with normal household use and routine cleaning. Keeping the filters clean and the venting clear helps the magnetron and controls run cooler and last longer.

What affects lifespan most

• Ventilation and heat: heavy cooking and poor airflow shorten life.
• Filter maintenance: grease buildup restricts airflow.
• Door use: slamming can damage door switches and interlocks.
• Power quality: frequent surges can stress the electronic control.
• Cleaning habits: food splatter and moisture can lead to corrosion and arcing.

Maintenance schedule we recommend (based on the manual)

The MMV1174DS1 manual calls out regular filter care and cleaning.

Item	What to do	How often
Grease filters	Wash with mild soap and water (or dishwasher)	Monthly
Charcoal filter (recirculating setups)	Replace (not washable)	About every 6 months
Interior and turntable	Clean with mild soap and water	As needed

For the exact steps for your unit, use the MMV1174DS1 owner's manual.

Parts that commonly impact “it still runs but doesn’t work right”

If performance drops, these are common wear items on over-the-range microwaves:

• Filters (airflow and odor control): filter 8206230A or filter W10208631A
• Cooktop light (burned out bulb): microwave/hood light bulb 8206232A
• No-start or intermittent run issues (door safety circuit): microwave door interlock switch W10269458

Why it matters

A microwave/hood combo that cannot vent heat well tends to run hotter; that extra heat is hard on high-voltage components (like the magnetron) and on the electronic control. Simple filter and cleaning routines are the easiest way to protect lifespan.

Last updated: March 2026