LG Refrigerator
LG Refrigerator gF error
Water flow problem
You can usually fix itFrom brand’s official support
Most people can clear this with the simple steps below.
What it means
Water is not flowing to the dispenser or ice maker as expected.
Common causes
- Water tap off or low pressure
- Bent or frozen water line
- Blocked water filter
Try this at home first
Tick each step as you go
When to call a technician
If flow is fine and the code continues, a technician should check the flow sensor.
Safety first
Always switch off at the wall socket or MCB before touching any part. Do not open the outdoor unit, control boards or gas pipes yourself — they carry high voltage and pressure.
Frequently asked questions
What does gF mean on a LG Refrigerator?
Water flow problem. Water is not flowing to the dispenser or ice maker as expected.
Can I fix LG Refrigerator error gF myself?
Usually yes. Start with: Check the water tap and line for bends.
Is it safe to keep using the Refrigerator with gF?
Yes, once the cause is fixed.
Other LG Refrigerator codes
CF
Condenser fan motor fault
IF
Ice maker fan motor fault
It
Ice maker fault
FU
Compressor / cooling cycle fault
CO
Communication error (display ↔ main board)
C1
Communication error (display ↔ main board)
CH
Refrigerant leak detected
CL
Refrigerant leak detected
Lo
Temperature outside working range
HI
Temperature outside working range
Sources
We write every explanation in our own words from these references.
Last checked: 2026-10-20