● Is the outlet connected properly?

● Is the indoor breaker turned on?

● If the temperature control knob is in the refrigerator, is the knob set to "OFF"?

● Did you open and close the door for a long time?

● Immediately after turning on the power, it does not cool immediately.

Please make sure that the inside is cold after 2-3 hours (may be took longer in summer).

● Temperature control knob installation example

If there is no improvement after try or if there is a possibility of failure or malfunction, please refer here.