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MECH-AGITATOR

Frigidaire · FFTW4120SW2 4.1 cu ft Top Load Washer

Frigidaire FFTW4120SW2 4.1 cu ft Top Load Washer MECH-AGITATOR Error Fix: Agitator Dogs Worn — Not Agitating

The agitator spins freely in both directions instead of gripping in one direction during the wash cycle. The agitator directional cogs (dogs) have worn and no longer engage. Remove the agitator cap and the center bolt. Lift out the agitator and replace the directional cog kit at the base. This is one of the most common top-load washer repairs.

Medium severity2 fixes available✨ Free fix available

Quick Answer

Error MECH-AGITATOR on the Frigidaire FFTW4120SW2 4.1 cu ft Top Load Washer means: Agitator Dogs Worn — Not Agitating. The top-ranked community fix is “Replace Agitator Directional Cogs (Agitator Dogs)” (medium difficulty, ~45 min, DIY cost: $15-$25). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · washer

Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.

When to Call a Professional

While many washer repairs can be done safely at home, consider hiring a qualified technician if:

The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $130-$180.

Other Frigidaire Models with Error MECH-AGITATOR

FFLG4033QW 3.8 cu ft Top Load with Stainless Drum

washer · 2 fixes

FFTW4120SW 3.5 cu ft Top Load Washer with Dual Action Agitator and 700 RPM Spin Speed

washer · 2 fixes

GLTF2940FS 3.5 cu ft Gallery Top Load

washer · 2 fixes

Other Frigidaire FFTW4120SW2 4.1 cu ft Top Load Washer Error Codes

E11

Fill Timeout — No Water Supply

2 fixes

E21

Drain Timeout — Water Not Draining

2 fixes

E35

Water Overfill Detected

2 fixes

E41

Lid Not Closed or Lid Lock Fault

Motor Signal Error

Motor Overheating

Incorrect Voltage to Control Board

2 fixes

EB1

Incoming Power Frequency Out of Limits

2 fixes

People Also Ask About Frigidaire FFTW4120SW2 4.1 cu ft Top Load Washer Error MECH-AGITATOR

What does error code MECH-AGITATOR mean on a Frigidaire FFTW4120SW2 4.1 cu ft Top Load Washer?

Error code MECH-AGITATOR on the Frigidaire FFTW4120SW2 4.1 cu ft Top Load Washer means: Agitator Dogs Worn — Not Agitating. The agitator spins freely in both directions instead of gripping in one direction during the wash cycle. The agitator directional cogs (dogs) have worn and no longer engage. Remove the agitator cap and the center bolt. Lift out the agitator and replace the directional cog kit at the base. This is one of the most common top-load washer repairs.

How do I fix error code MECH-AGITATOR on my Frigidaire FFTW4120SW2 4.1 cu ft Top Load Washer?

The most successful fix is "Replace Agitator Directional Cogs (Agitator Dogs)" (medium difficulty, ~45 minutes). Estimated DIY cost: $15-$25. HomeMD has 2 community-ranked fixes for this error.

Is error code MECH-AGITATOR on a Frigidaire FFTW4120SW2 4.1 cu ft Top Load Washer serious?

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Can I fix Frigidaire FFTW4120SW2 4.1 cu ft Top Load Washer error MECH-AGITATOR myself?

Yes — the top-ranked community fix ("Replace Agitator Directional Cogs (Agitator Dogs)") is rated medium difficulty and takes about 45 minutes. Tools needed: Socket wrench set, Flathead screwdriver.

How much does it cost to repair Frigidaire FFTW4120SW2 4.1 cu ft Top Load Washer error MECH-AGITATOR?

DIY cost: $15-$25. Professional repair typically costs $130-$180. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the Frigidaire FFTW4120SW2 4.1 cu ft Top Load Washer have?

The Frigidaire FFTW4120SW2 4.1 cu ft Top Load Washer has 8 other known error codes, including: E11 (Fill Timeout — No Water Supply), E21 (Drain Timeout — Water Not Draining), E35 (Water Overfill Detected), E41 (Lid Not Closed or Lid Lock Fault), E52 (Motor Signal Error), and 3 more.

Which other Frigidaire models have the MECH-AGITATOR error?

Error code MECH-AGITATOR also appears on 3 other Frigidaire models: FFLG4033QW 3.8 cu ft Top Load with Stainless Drum, FFTW4120SW 3.5 cu ft Top Load Washer with Dual Action Agitator and 700 RPM Spin Speed, GLTF2940FS 3.5 cu ft Gallery Top Load. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the Frigidaire FFTW4120SW2 4.1 cu ft Top Load Washer have?

The Frigidaire FFTW4120SW2 4.1 cu ft Top Load Washer has 8 other known error codes:

E11 — Fill Timeout — No Water Supply (2 fixes)
E21 — Drain Timeout — Water Not Draining (2 fixes)
E35 — Water Overfill Detected (2 fixes)
E41 — Lid Not Closed or Lid Lock Fault (2 fixes)
E52 — Motor Signal Error (2 fixes)
E55 — Motor Overheating (2 fixes)
E67 — Incorrect Voltage to Control Board (2 fixes)
EB1 — Incoming Power Frequency Out of Limits (2 fixes)

Which other Frigidaire models have the MECH-AGITATOR error?

Error code MECH-AGITATOR also appears on 3 other Frigidaire models:

FFLG4033QW 3.8 cu ft Top Load with Stainless Drum (washer) · 2 fixes
FFTW4120SW 3.5 cu ft Top Load Washer with Dual Action Agitator and 700 RPM Spin Speed (washer) · 2 fixes
GLTF2940FS 3.5 cu ft Gallery Top Load (washer) · 2 fixes

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