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LG Refrigerator Error Code Er gF
Water flow sensor error. Er gF indicates a problem with the water flow sensor. LG says it can be caused by a closed water tap, a kinked hose or incorrect water pressure.
- Code: Er gF (also shown as gF)
- Appliance: LG refrigerator
- Owner fix: Often fixable with the safe checks on this page. Call a pro if the code comes back.
- Repair cost: call for a quote
- Checked against the manufacturer sources below on October 27, 2026
Likely causes
- Water supply valve closed
- Kinked water line behind the fridge
- Water pressure out of range
- Flow sensor fault
Safe checks you can do
Safety: Owner checks only. Do not open the sealed refrigerant system, remove electrical covers, or bypass parts. Compressor and refrigerant work needs a licensed technician.
- Unplug the fridge for 60 seconds, then plug it directly into a wall outlet and wait up to 5 minutes for it to restart.
- Make sure the water valve is fully open and water reaches the fridge.
- Pull the fridge out carefully and check the line for kinks.
When to call a pro
- Water supply is fine and the code continues
- Any time you smell burning or gas, see sparks, or would need to open a panel
What does it cost to fix?
Call for a quote. Repair costs depend on the brand, the model, the part and the shop, so this site does not publish price ranges. Ask each shop for its diagnostic or trip fee and a written quote after diagnosis. See what affects repair cost.
Sources
Codes and steps vary by model. Your owner's manual and the model sticker inside the door or on the back are the final word for your exact unit.
Other LG fridge codes
Refrigerator codes from other brands
See also: Refrigerator help in Idaho · Fridge not cooling · Freezer works, fridge warm · Ice maker not working · Fridge leaking water · All error codes
FAQ
What does LG error code Er gF mean?
Water flow sensor error. Er gF indicates a problem with the water flow sensor. LG says it can be caused by a closed water tap, a kinked hose or incorrect water pressure.
Can I fix LG code Er gF myself?
Often fixable with the safe checks on this page. Call a pro if the code comes back. Owner checks only. Do not open the sealed refrigerant system, remove electrical covers, or bypass parts. Compressor and refrigerant work needs a licensed technician.
How much does it cost to fix LG code Er gF?
Call for a quote. Repair costs depend on the brand, the model, the part and the shop, so this site does not publish price ranges. Ask each shop for its diagnostic or trip fee and a written quote after diagnosis.
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