MECH-ROLLER
Frigidaire · FFRE4120SW2 6.7 cu ft Front Load Electric Dryer
The dryer makes a loud squealing, squeaking, or thumping noise. The drum support rollers have flat-spotted or worn bearings. Remove the drum and inspect each roller — they should spin freely and quietly. A flat spot causes rhythmic thumping. Replace all rollers as a set. Also check the drum glide strips (front felt seal) for wear.
Error MECH-ROLLER on the Frigidaire FFRE4120SW2 6.7 cu ft Front Load Electric Dryer means: Drum Support Rollers Worn — Squealing. The top-ranked community fix is “Replace Drum Support Rollers Set” (medium difficulty, ~90 min, DIY cost: $30-$50). 2 community-ranked fixes available below.
Published February 2026 · 2 fixes · dryer
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.
While many dryer repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $150-$220.
dryer · 2 fixes
dryer · 2 fixes
dishwasher · 2 fixes
dishwasher · 2 fixes
dishwasher · 2 fixes
dishwasher · 2 fixes
dishwasher · 2 fixes
dishwasher · 2 fixes
dryer · 2 fixes
dryer · 2 fixes
dishwasher · 2 fixes
dishwasher · 2 fixes
dishwasher · 2 fixes
dishwasher · 2 fixes
dryer · 2 fixes
Inlet Thermistor Open or Shorted
Outlet Thermistor Open or Shorted
Door Switch Open — Door Not Closed
Motor Start Failure
Heater Relay Not Closing
Heater Relay Stuck On — FIRE HAZARD
Heating Element Open Circuit
Heater Relay Stuck — Multiple Trips
The Frigidaire FFRE4120SW2 6.7 cu ft Front Load Electric Dryer has 8 other known error codes:
Error code MECH-ROLLER also appears on 15 other Frigidaire models:
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