Service Manual_2020-V1.0
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9.9 Demo mode
1) Within 3 min after power on, press and hold the “FRIDGE TEMP” button and ENERGY
SAVING button together for 3 seconds to enter/quit the demo mode;
2) After setting to enter demo mode, the nixie tube will display “ON” character for 2s, and after setting to
quit the demo mode, the nixie tube will display “OF” character for 2s;
3) Under demo mode, turn off all loads except the light, and the mode will achieve automatic shutdown
after sustaining 16h;
4) It is only allowed to quit the demo mode after power on for 3 minutes.
9.10 Backup data for power fail
1) The running state of the refrigerator is remembered after compressor running for 1 hour continuously.
2) The running state of the refrigerator is remembered after change function settings and lock.
3) When the refrigerator is out of power and recharged, the running state of the refrigerator is same as
before.