Do not put too much or hot goods in the chamber，or it is inefficient and not conducive to food preservation.
The temperature should be set a little higher.
For mechanical models:Adjust thermostat on 1-3 position
For temperature sensor models:Adjust temperature about 5-7℃
First,try to decrease the number to open the door and open time,
after close to check whether the door is locked fully, door seal leakage,
which lead to indoor temperature rise .
And when place food to keep a certain gap indoor, don't be too full,
especially don't put food near the cold storage tank wall.
Please don't put water as far as possible big food , if you really to place, had better use plastic wrap to seal.