LG refrigerator Error Code Er gF

What does Er gF mean?

Water flow sensor for dispenser is not working.

Common causes

• Failed flow sensor
• Frozen water line
• Filter restriction
• Wiring issue

Diagnostic & testing steps

1. 1. Check water filter is not clogged
2. 2. Check for frozen water line
3. 3. Test flow sensor signal
4. 4. Replace flow sensor if no signal

Tools required

• Multimeter

OEM parts & part numbers

Water Flow Sensor, Water Filter

Part numbers: 5220JA2009D