LG Dryer Error Code E2

Reviewed by the ApplianceErrors Editorial Team · Verified against manufacturer service documentation · Last verified: June 11, 2026

⚠ High Severity 🔧🔧🔧 Advanced DIY

Control board error — internal board fault detected on power-up or mid-cycle

The most common cause of the E2 error on a LG dryer is main control board fault (~55% of cases); start with: hard reset.

💰 DIY cost: $0–$200 👨‍🔧 Pro cost: $200–$380 Save $200+ by doing it yourself

LG Dryer error code E2 on the display panel — How the E2 code appears on a LG dryer display

What Does Error Code E2 Mean on a LG Dryer?

Control board error — internal board fault detected on power-up or mid-cycle.

E2 fires when the main control board fails its internal self-check, typically a relay-feedback mismatch or a memory/checksum error detected either at power-up or mid-cycle. The board expects certain feedback states from its relays and stored memory; when those don't match, it halts and flags E2. Unlike sensor codes such as nF or a heating fault, E2 points inward at the board's own circuitry rather than an external component, though a surge or loose board connector can momentarily corrupt that state.

Models affected: LG electric and gas dryers across recent electronic-control platforms, including models such as DLEX3900W, DLE3500W, DLEX4500B, DLE7150W, and DLG3601W

What owners report: Owners commonly report E2 appearing right after a storm or power flicker, and it often clears with a full 10-minute unplug rather than a panel reset. If it returns immediately after rebooting, most find it points to a failing board rather than anything a reset can fix.

What Causes Error Code E2?

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

1

Main control board fault 55% of cases
2

Power surge or brownout corrupting board state 25% of cases
3

Loose harness connector at the board 15% of cases
4

Display/board communication fault 5% of cases

How to Fix LG Dryer Error Code E2

🔧🔧🔧 Advanced DIY Est. time: 1–3 hours

⚡ Safety first: Unplug the appliance before opening any panels or touching internal components.

1

Hard reset

Unplug the dryer for 10 minutes (not just off at the panel) to fully discharge and reboot the board.
2

Reseat board connectors

With power disconnected, open the control housing and reseat every harness plug on the main board; look for heat discoloration.

⚠️ Unplug the dryer before opening the control housing.
3

Replace the main control board

If E2 returns after a reset and connector check, the board needs replacement.

🔩 LG dryer main control board ($90–$200)

⚠️ Handle the new board by its edges and unplug the dryer before swapping.

How to Reset Error Code E2

Unplug for 10 minutes and restore power. If E2 reappears immediately, stop power-cycling and diagnose the board.

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

Full LG dryer reset guide → Enter diagnostic mode →

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When to Call a Professional

If the error returns after a board swap, there's a deeper harness or component fault that needs professional tracing.

Average professional repair cost for this issue: $200–$380

Related Error Codes

Motor or board sensing error — drum motor not detected running

⚠ High Severity

No heat / airflow fault — dryer runs but cannot maintain heating

⚠ High Severity

Same Code on Other Brands

Error code E2 appears on these other brands too. See every brand that shows E2 →

Maytag Dryer E2

Thermistor short circuit — temperature sensor failure

Broan-NuTone Range Hood E02

Fan motor failure — motor not running

Speed Queen Washing Machine E2

Motor feedback error — motor control fault

Fisher & Paykel Washing Machine E2

Motor controller fault

Find Replacement Parts

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

🔩

Search PartSelect

LG Dryer repair parts

🔧

Search RepairClinic

Step-by-step video guides

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

More LG Dryer Error Codes

D80 Duct blockage detected — exhaust duct 80% blocked D90 Duct blockage detected — exhaust duct 90% blocked D95 Duct blockage detected — exhaust duct 95% blocked F9 Thermistor failure — temperature sensor not reading CL Child lock is active — controls are locked nP No power to the heating element

Frequently Asked Questions

Can I keep using my LG Dryer when error E2 appears? +

It is not advisable. The dryer may still power on, but running it while E2 is active can worsen the electrical fault or damage related parts. Treat it as a soon-as-possible repair.

What most commonly causes E2 on a LG Dryer? +

Across reported LG dryer repairs, the most frequent is main control board fault (55% of cases), power surge or brownout corrupting board state (25%), then loose harness connector at the board (15%). Check them in that order before replacing any parts.

E2 keeps coming back after a reset — what should I check next? +

A reset only clears the stored E2 fault; if it returns, the electrical problem is still present. Move on to the physical checks — hard reset, then reseat board connectors — 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 Dryer error E2? +

A DIY repair typically runs $0–$200 in parts, versus $200–$380 for a professional service call, so handling it yourself saves around $200. Expect the work to take 1–3 hours.

Which LG Dryer models show error E2? +

E2 is documented on LG electric and gas dryers across recent electronic-control platforms, including models such as DLEX3900W, DLE3500W, DLEX4500B, DLE7150W, and DLG3601W. Other units sharing the same control platform can display it too, so the fixes here generally transfer across the series.

Sources & References

• LG Support — Help Library — official manufacturer documentation
• Our editorial & verification policy

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

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