Service Manual_2018-V2.0
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key can eliminate the buzzer alarm.
Note: The door opening alarm time can be set through the APP and then remembered to the main
board after setting.
10.4.5Over limit alarmWhen the power is turned on, the time is started. If the sensor temperature
exceeds the set temperature ±7 °C after 40 hours, it will continue to judge that the temperature
exceeds the limit for 2 continuous hours and the over limit alarm shall be pushed to the APP. If the
temperature returns to ±7 °C during 2 continuous hours, both 40 hours and 2 hours are cleared;
Note: Change the set temperature, change the refrigerating and freezing function, and open the door
to clear 40 hours and continuous 2 hours
Quick freezing, 40 hours and 2 hours of continuous time are cleared in case of sensor fault, no
over limit alarm is reported;
10.5 LED module control
Each time the power is turned on, the state setting or the display screen will light up when the door is
opened, accompanied by a buzzer sound;
Under normal circumstances, when locked, the display screen will go out after 30 seconds of keyless
operation;
Each time there is a key operation, the display screen will return to normal display;
When the "Fault code visible" type of fault occurs (when locked), the display screen lights up and goes
out after 30 seconds.
When the door is opened, the display screen will always light up, and the display screen will go out
after the door is closed for 30s (when locked);
In the unlocked state, after the key operation is completed and is locked for 30s, the display screen will
go out.
Note: 1. When AP mode is set, the screen is locked for 10s and the main board resetting is locked for
3s. In AP mode, the display screen will go out if there is no operation for 2min after locking.
2. WIFI indicator light as well as refrigerating and frozen function LED lights are not affected by
that the screen goes out.
10.6 Quick freezing mode
10.6.1Enter
Under freezing function, short press Quick Freeze to enter quick freezing mode and -24 °C / -11 °F
is displayed.
10.6.2 Exit
(1) In quick freezing mode, short press Quick Freeze to exit the quick freezing mode and return to
display the original set temperature;
(2) After the quick freezing time reaches the set time (24 hours), it will automatically exit and enter
the normal mode operation;
(3) Exit the quick freezing function when adjusting the temperature;
(4) During the quick freezing process, when the sensor temperature is detected to be lower than
-25 °C, the quick freezing function is exited 3 hours after the detection.
10.6.3Operate
(1) Compressor, the fan works continuously in synchronization without defrosting during this process.
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