The Samsung RB194AB Refrigerator has some known problems that occur often. Here are some easy to do solutions for the problems or error codes your Samsung might be giving you.
The temperature display blinks when the fridge temperature increases due to frequent door opening or placing warm food inside.
The 'OF & OF' code appears on the display, indicating the refrigerator is in Cooling Off Mode and not producing cool air.
A beeper sounds if a door is left ajar.