1, the refrigerator can be powered on immediately after defrosting. Generally speaking, the refrigerator can't be powered on immediately after power failure, which will shorten the service life of the refrigerator. It can be powered on after power failure for 5- 10 minutes, but defrosting takes time, which may take twenty or thirty minutes, so it is longer than the power-on time after power failure, so the refrigerator can be powered on immediately after defrosting. 2. The refrigerator will not be cooled immediately after being powered on, and it needs to wait for more than ten minutes before the temperature in the refrigerator drops.