7. Outage memory
When outage occurs, the instantaneous working state will be locked. The working state can be
preserved until power is on.
8. Open prompts and open alert control
When the refrigerator or refrigerating room's door opens, an open music tune will be played. If the door
hasn't been closed after 120 seconds, the buzzer will give alarm and after that, 1 alarm per second until the
door is closed. Press button to cancel buzzing.
9. Fault indication
When following prompts appear on display screen, it indicates malfunction in refrigerator. The refrigerator
can still refrigerate under some malfunctions, yet user shall contact maintenance for refrigerator's
optimized operation.
E6
C ommunication
circuit
Display
E1
E2
E5
E7
Malfunction
Refrigerator
temperature sensor
circuit
Freezer defrost
sensor
Ambient temperature
sensor
Display
Malfunction
Freezer room
temperature sensor
circuit
Fr770m
