Disclaimer!! Not all fridges are the same, even with the same model number. The first time you do this be prepared to unplug your fridge if the water does not stop.
This is a fix for the Frigidaire Gallery FGHB2866PF3. It may work for other Frigidaire refrigerators as well.
This is not a permanent fix, but it is simple to perform as needed. NO TOOLS necessary!
Link to service manual
https://www.manualslib.com/manual/549...
Diagnostic cheat sheet:
+ & together = defrost
up & down = auto diagnostic
up & + = manual diagnostic for a separate system (probably the fridge)
+ for 10 seconds exits manual diagnostic