Steren 920-050 Manual De Instrucciones página 13

Operation
1.- Plug the refrigerator to the voltage compensator.
2.- Plug the compensator to an outlet. In case you need it, use an
adapter but never cut the grounded pole.
3.- The Retard indicator LED will turn on (Red color).
Wait 8 or 10 minutes, after this your refrigerator will start to work.
4.- Depending the input voltage, one of three LEDs will turn on.
(High, Normal or Low)
920-050 Refrigerator