Operating Instructions
Display panel
Description of buttons and icons
Button 1 - Up; Button 2 - Down; Button 3 - Setup/Mute.
Icon 4 - 485 communication; Icon 5 - Button locking; Icon 6 - Compressor
startup; Icon 7 - Power-on; Icon 8 - Door opening; Icon 9 - Alarm silence; Icon
10 - Abnormal power supply; Icon 11 - Low battery level (all above are on)
Operation instructions
1. Check the ambient temperature
In the lock status of the keypad, press the "Setting/ Mute Multi-function Key"
to display the ambient temperature on the LED segment display. Wait for 5
seconds without any keypad operation or press the "Up" or "Down" keys to
return to the normal display.
In the unlock status of the keypad, press the "Setting/ Mute Multi-function
Key" to display the ambient temperature on the LED segment display. Wait
for 5 seconds without any keypad operation to return to the normal display.
2. Mute the alarm
When the alarm sounds, you can press the "Setting/ Mute Multi-function Key"
to mute the alarm; then it will enter the status for checking the ambient tem-
perature.
When the alarm is muted, you can press the "Setting/ Mute Multi-function
Key" to restore the alarm sound; then it will enter the status for checking the
ambient temperature.
In the unlock status of the keypad and the status for checking the ambient
temperature, you can press the "Setting/ Mute Multi-function Key" to mute or
restore the alarm sound.
3. Function of keypad lock
When the button is not locked, if there is no button operation for 60s or
the Up and Down buttons are pressed at the same time for 3s (the buzzer
sounds twice when the button is locked), the button is locked. In the button
locked state, the ambient temperature and mute can be viewed, the rest of
the button functions are locked, and the buzzer sounds twice during opera-
tion;
After pressing the Up and Down buttons at the same time for 3s, the digital
tube will display "0000′′. Adjust the password to "5′′ through the Up and Down
buttons. After the password is correct, return to the normal display, and the
buzzer will sound once.
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