What does LG Range FE Error Code - Causes & Fix mean?

FE on an LG range means low voltage reaching the appliance. Most often fixed by checking the power cord, breaker, and outlet.

How do I fix LG Range FE Error Code - Causes & Fix?

Follow the step-by-step diagnosis below. The most likely fix is identified by checking power, sensor resistance, and control-board signals in order — using a multimeter and the part numbers documented in the parts reference table.

Can I keep running the equipment with this fault active?

Generally no. Faults on Appliance units are emitted when a sensor, safety, or control circuit is outside its operating envelope. Running through an active fault risks compressor, heater, or control-board damage. Diagnose and clear the fault first.

What part is most commonly replaced for LG Range FE Error Code - Causes & Fix?

The most frequently replaced parts for LG Range FE Error Code - Causes & Fix are listed in the Parts Reference section of this guide with OEM part numbers and typical price ranges. Check the table for direct replacements.

Is LG Range FE Error Code - Causes & Fix a DIY repair or do I need a technician?

Sensor swaps, fan motor replacements, and condenser cleaning are typical DIY-level repairs. Anything involving refrigerant, gas, or high-voltage (>240V) work requires a licensed technician for both safety and code-compliance reasons.

LG Range FE Error Code - Causes & Fix

LG Range FE Error Code — What It Means

The FE error code on an LG range indicates a low-voltage condition. This means the range is not receiving adequate electrical supply from your home’s circuit. Unlike the FE code on LG washers (which relates to water overflow), the range version specifically flags an issue with incoming power rather than an internal sensor or component failure.

LG identifies this as a supply-side electrical problem requiring diagnosis by a qualified electrician. The range’s control board detects that line voltage is below the minimum threshold needed for safe operation and shuts down to prevent damage or unsafe heating cycles.

Jump to Fix

Common Causes

Low utility voltage or brownout The electrical supply from your utility may be delivering insufficient voltage to your home during periods of high demand or grid issues.
Loose or corroded terminal block connections The hardwired connection points at the back of the range can loosen over time or develop corrosion, creating resistance that drops voltage before it reaches the control board.
Damaged or undersized power cord A frayed cord or one with an insufficient wire gauge for the range’s amperage demand will cause voltage drop under load.
Tripped or weak circuit breaker A breaker that is failing or sized incorrectly may not deliver full current, or it may have internal contact degradation reducing voltage output.
Poor outlet or receptacle contact The wall receptacle or plug blades may be worn, scorched, or loose, increasing resistance and dropping the voltage available to the range.
Control board power-input fault In rare cases the control board’s voltage-sensing circuit or power-supply section itself may misread or fail, triggering the code even when supply voltage is adequate.

Step-by-Step Fix

Disconnect power at the circuit breaker and verify the range is completely off before beginning any inspection.
Measure supply voltage at the wall receptacle or junction box with a multimeter set to AC volts. Verify you have approximately 240 volts between the two hot legs and approximately 120 volts from each hot to neutral.
Inspect the power cord and plug for burns, cracks, loose prongs, or damaged insulation. Wiggle the plug in the outlet to check for looseness or arcing marks.
Check the terminal block connections at the rear of the range. Remove the rear access panel, confirm all wire connections are tight, clean, and free of oxidation or char marks.
Test the circuit breaker by turning it fully off then back on. Look for signs of heat damage on the breaker itself or a loose connection at the breaker terminals in the panel.
Monitor voltage under load by reconnecting power and watching the multimeter reading while the range attempts to heat. A significant drop below rated voltage under load points to a supply or wiring problem.
Replace the control board only after confirming adequate supply voltage and good connections. If voltage is correct at the terminal block but the FE code persists, the board’s voltage-sensing circuit may be at fault.

Parts Often Needed

Part	Notes
LG range power cord	Amazon \| Confirm amperage rating matches your model (typically 40 or 50 amp) and cord type (three-prong or four-prong) before ordering.
Range terminal block	Amazon \| Replace if terminals are melted, cracked, or heavily corroded. Match the wire configuration to your installation.
LG range main control board (EBR series)	Amazon \| Use your full model number to identify the correct board. Only replace after confirming supply voltage is correct.

When to Call a Pro

LG recommends having a qualified electrician diagnose the FE error code because it involves live high-voltage circuits and potential upstream electrical issues. If you are not comfortable working inside your home’s breaker panel, measuring 240-volt circuits, or accessing hardwired range connections, call a licensed electrician. Also call a pro if you measure correct supply voltage at the terminal block but the code persists, as this points to a control-board fault requiring appliance-repair expertise. Any signs of arcing, melted insulation, or repeated breaker trips should be addressed by a professional immediately to prevent fire hazard.