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LG Washing Machine Error Code F6

Reviewed by the ApplianceErrors Editorial Team · Verified against manufacturer service documentation · Last verified: June 11, 2026
⚠ High Severity 🔧🔧🔧 Advanced DIY

Overcurrent error — excessive current detected in the motor drive circuit

The most common cause of the F6 error on a LG washing machine is main control board / IPM fault (~40% of cases); start with: power cycle.

💰 DIY cost: $90–$250 👨‍🔧 Pro cost: $250–$480 Save $160+ by doing it yourself
LG Washing Machine error code F6 on the display panel
How the F6 code appears on a LG washing machine display

What Does Error Code F6 Mean on a LG Washing Machine?

Overcurrent error — excessive current detected in the motor drive circuit.

F6 fires when the main board's inverter power module measures motor-drive current above its safe threshold, tripping a hardware protection to keep the IPM from failing. Unlike LE (locked/overloaded motor) or CE (a sustained overcurrent LG flags separately), F6 is an instantaneous overcurrent spike in the drive stage. It typically points to a shorted stator winding, a Hall-sensor timing fault feeding the drive bad commutation data, a harness short, or degradation within the board's own power section.

Models affected: LG direct-drive washers, both front-load and top-load models (for example the WM3900HWA, WM4000HBA, WM4500HBA, WM8100HVA front-loaders and the WT7300CW, WT7900HBA top-loaders)
What owners report: Owners commonly report F6 appearing mid-cycle, often during spin ramp-up when motor current peaks, and a single trip sometimes clears after a ten-minute power cycle. A one-time jam or heavy unbalanced load can trigger it falsely, but repeated F6 codes usually indicate a genuine stator or board fault and shouldn't be retried repeatedly.

What Causes Error Code F6?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

  1. 1
    Main control board / IPM fault 40% of cases
  2. 2
    Stator winding shorted 30% of cases
  3. 3
    Hall sensor fault confusing the drive timing 20% of cases
  4. 4
    Wiring harness short between board and motor 10% of cases

How to Fix LG Washing Machine Error Code F6

🔧🔧🔧 Advanced DIY Est. time: 1–3 hours
⚡ Safety first: Unplug the appliance before opening any panels or touching internal components.
  1. 1

    Power cycle

    Unplug for 10 minutes; a single overcurrent trip from a momentary jam can clear.

  2. 2

    Test the stator windings

    Unplug the washer, remove the rear cover and rotor, and measure resistance between stator terminals — readings should be equal across all three pairs (typically 5–15 ohms); a shorted pair condemns the stator.

    🔩 LG stator assembly ($90–$180)
    ⚠️ Unplug the washer before removing the rotor; the rotor bolt is torqued tight.
  3. 3

    Replace the main control board

    If the motor tests balanced and the harness is intact, the board's drive section has failed.

    🔩 LG main control board ($120–$250)
    ⚠️ Unplug and wait several minutes before handling the board — capacitors hold charge.

How to Reset Error Code F6

Unplug for 10 minutes and retry. Repeated F6 trips mean stop and diagnose — continued retries can destroy the board.

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

Full LG washer reset guide → Enter diagnostic mode → Symptom guide: Washer not spinning →

Did this guide fix your appliance?

When to Call a Professional

Distinguishing a bad stator from a bad board requires meter work on live components — most owners should call a technician.

Average professional repair cost for this issue: $250–$480

Related Error Codes

LE
Motor locked — hall sensor or stator fault
⚠ High Severity
CE
Over-current error — motor drawing too much current
⚠ High Severity

Same Code on Other Brands

Error code F6 appears on these other brands too. See every brand that shows F6 →

Haier logo
Haier Refrigerator F6
Communication error — control board fault
Amana logo
Amana Microwave F6
Microwave relay failure detected

Find Replacement Parts

Use these links to find the exact replacement parts for your LG Washing Machine:

🔩
Search PartSelect
LG Washing Machine repair parts
🔧
Search RepairClinic
Step-by-step video guides

External links — ApplianceErrors.com is not affiliated with these retailers.

More LG Washing Machine Error Codes

OE Drainage error — water not draining within expected time UE Unbalanced load — cannot complete spin cycle IE Water inlet error — water not filling within expected time dE Door open or door lock failure tCL Tub clean reminder — drum needs cleaning FE Water overflow error — drum overfilling

Frequently Asked Questions

Can I keep using my LG Washing Machine when error F6 appears? +
It is not advisable. The washing machine may still power on, but running it while F6 is active can worsen the motor fault or damage related parts. Treat it as a soon-as-possible repair.
What most commonly causes F6 on a LG Washing Machine? +
Across reported LG washing machine repairs, the most frequent is main control board / IPM fault (40% of cases), stator winding shorted (30%), then hall sensor fault confusing the drive timing (20%). Check them in that order before replacing any parts.
F6 keeps coming back after a reset — what should I check next? +
A reset only clears the stored F6 fault; if it returns, the motor problem is still present. Move on to the physical checks — power cycle, then test the stator windings — since the code will reappear until the root cause is resolved. This is an advanced repair involving deeper disassembly or electrical testing.
How much does it cost to fix LG Washing Machine error F6? +
A DIY repair typically runs $90–$250 in parts, versus $250–$480 for a professional service call, so handling it yourself saves around $160. Expect the work to take 1–3 hours.
Which LG Washing Machine models show error F6? +
F6 is documented on LG direct-drive washers, both front-load and top-load models (for example the WM3900HWA, WM4000HBA, WM4500HBA, WM8100HVA front-loaders and the WT7300CW, WT7900HBA top-loaders). Other units sharing the same control platform can display it too, so the fixes here generally transfer across the series.

Sources & References

Content verified against manufacturer service documentation. Last verified: June 11, 2026.

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