Samsung RF28R7201AARefrigerator
Error Code AUTO-FILL-OVF
Water overflowing in auto fill system
Moderate
Address soon - your appliance may not work properly
Also displayed as: AUTO-FILL-OVF LED blinks
What This Means
Water supply line blockage causing backup; Overflow sensor malfunction; Float valve stuck
What actually causes this:
Water line kinked or blocked causing backup
First Thing to Check
Check if water dispenser is blocked or line kinked
Parts Involved
Auto Fill SystemOverflow Sensor
How to Fix
- 1
Check MAIN PCB CN90-11 to CN90-13 voltage
- 2
0V-4.5V = overflow, 4.5V-5V = normal
- 3
Check water inlet for blockage
Other Error Codes for RF28R7201AA
IM-FUNC
Ice maker not making ice
IO-EXP
Main board input/output chip failure
DISP-PANEL
Dispenser display not communicating
MAIN-INV
Compressor control board communication failed
ICE-ROOM-HT
Ice storage compartment heater failure
F
Freezer temperature sensor not working
RF
Fridge cooling fan malfunction
FZ-DMH
Flex zone temperature control heater failure