If the Mijia Refrigerator Cross Door 502L displays FF, it means the freezing fan is faulty.
The freezing fan circulates cold air generated by the evaporator throughout the freezer compartment, which ensures uniform temperature distribution, preventing hotspots and maintaining the quality of frozen foods.
If the device displays FF, the cause of the fault is a freezing fan failure, ice blockage, circuit blockage, and a small probability of a main board failure.
To solve the freezing fan failure of the device, please refer to the following steps:
Turn off the power the failure of the device for 5 minutes.
Turn it on after 5 minutes to observe.
If the problem is still not solved, please apply for after-sales inspection.