LG Oven F7 Error Code: Upper Convection Fan Error (Meaning, Causes, Fixes)
What the code means
LG USA's range error code list says F7 indicates an Upper Convection Fan Error, and its only owner steps are pressing CLEAR/OFF to retry the function, then turning the breaker off for 30 seconds; if the code continues, the range needs service. LG's authorized service center Bayside Appliance lists F7 the same way, and lists F17 separately as a convection fan error on other models. The independent reference site lgerrorcodes.com describes the condition behind F7 as the convection fan's operation not being detected for over 1 minute, and points first to the wiring harness at the convection fan and the main control board. Model matters here: LG Canada's help library describes F-7 on some electric ranges as a not-heating code (the oven doesn't get above 150°F for 5 minutes or more while preheating with the door closed), and lgerrorcodes.com names older electric ranges LRE3012, LRE30451, LRE30453 and LRE30757 as using F7 that way. On those models, follow the not-heating steps instead.
Likely causes
- The upper convection fan motor has failed or is seized, so the control never sees it running
- Something is blocking the convection fan blade behind the rear oven wall cover
- A loose, damaged or heat-burnt wire or connector between the convection fan and the main control board
- A fault on the main control board's fan circuit
- A one-time glitch after a power interruption, which a reset clears
- On some older LG electric ranges (such as LRE3012, LRE30451, LRE30453, LRE30757): the oven isn't heating, a different fault that shares the F7 number
Safe DIY checks
Unplug the appliance or switch off its breaker before opening panels.
- Press CLEAR/OFF and try the cooking function again, as LG instructs.
- If F7 comes back, turn the range's circuit breaker off, wait at least 30 seconds (LG Canada suggests 3 to 5 minutes), then turn it back on.
- With the oven cool and the power off, look through the slots in the rear oven wall to make sure no foil, rack or cookware is touching or jamming the fan.
- Note whether the fan runs at all when you start a convection mode, and whether the oven still heats in plain Bake. That helps the technician.
- Check your model number (on the label on the warming drawer or storage drawer frame). If it's one of the older LRE3012, LRE30451, LRE30453 or LRE30757 ranges, treat F7 as an oven not-heating code.
- If the code keeps returning, LG's advice is to schedule service. Don't keep running convection modes while it's showing.
🛠 When to call a pro
- Confirming the model's code meaning in the range's service manual or tech sheet before ordering parts.
- With the power off, removing the rear oven wall cover and checking that the convection fan blade spins freely and is secure on the motor shaft.
- Checking the convection fan motor and its harness for continuity and burnt or loose terminals, from the motor back to the main control board.
- Running the fan in the service test mode to see whether the motor gets voltage and runs.
- Replacing the convection fan motor, the harness or, only after those test good, the main control board, then confirming the code is cleared.
Parts that commonly fix it
Always match the part number to your exact model.
Convection fan motor
Only after a technician confirms the motor is seized or open. Match the part to your range's full model number.
Search eBay →Digital multimeter
For checking the fan motor and wiring for continuity with the breaker off.
Search eBay →Main control board
Last on the list. Replace it only after the fan motor and harness test good.
Search eBay →Sources
- LG USA Help Library: LG Range - Error Codes List (F7 Upper Convection Fan Error; press CLEAR/OFF, 30-second breaker reset, service if it continues)
- Bayside Appliance (LG authorized service center): Cooking Electric Error Codes (F7 upper convection fan error; F17 convection fan error)
- lgerrorcodes.com R&O_F7 (convection fan not detected for over 1 minute; check harness at fan and main PCB; older LRE3012/LRE30451/LRE30453/LRE30757 use F7 for not heating)
- LG Canada Help Library: Electric Range "F-7" error code (on those models: not heating, under 150°F for 5 minutes in preheat; 3 to 5 minute reset)
Last reviewed 2026-10-23. Always confirm against the manual for your exact model number.