Haier HYC-509 - Display, Alarms and Self-Diagnonis

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Display, Alarms and Self-Diagnonis
Connect the power supply for the refrigerator and switch the power switch to the “ON” position to
enter into power-on state.
1.Working status prompt of the display panel
•“Upper” indicator light: when the light is ON, the digital tube displays the temperature of the
upper sensor.
•“Lower” indicator light: when the light is ON, the digital tube displays the temperature of the
lower sensor. (When the upper and lower temperature sensor indicators are ON at the same
time, it displays the average value of the upper and lower temperature sensors).
•“Power” indicator light: when the light is ON, it indicates that it is in the main power supply state;
when the light ickers, it indicates that it is in the main power failure state.
•“Alarm” indicator light: when the light flickers, it indicates that there is a fault or abnormal
condition.
•“Door open” indicator light: when the door is opened, this light is ON; when the door alarm is
activated, the light ickers; when the door is closed, the light is OFF.
•“Hot condenser” indicator light: when the light ickers, it indicates that the condenser is too dirty
and needs to be cleaned in time.
•“Network” indicator light: when the light is ON, it indicates that it is in the networking state;
during communicating, the light ickers.
•“NFC” indicator light: when the light is ON, it indicates that the NFC card reading board is
connected; when the light is OFF, it indicates that the NFC recording board is not connected;
when the light ickers, it indicates that the door lock is opened.
2.Alarms and Self-Diagnonis
Alarm Code Status Indication Buzzer
Remote
alarm
High
temperature
alarm
E00
Temperature of the upper /
lower temperature sensor is
≥ the set temperature of high
temperature alarm for one
minute
Alarm light ickers
Makes
intermittent
alarm sound
Start up
Low
temperature
alarm
E01
Temperature of the upper /
lower temperature sensor is
≤ the set temperature of low
temperature alarm for one
minute
Alarm light ickers
Makes
intermittent
alarm sound
Start up
Power failure
alarm
E30
Power failure of the
refrigerator
The alarm light and
power indicator light
icker, and the digital tube
intermittently display the
temperature.
Makes
intermittent
alarm sound
Start up
Power board
fault alarm
E31 12V voltage < 9V is detected Alarm light ickers
Makes
intermittent
alarm sound
Start up
LED Type Display (HYC-509/509F/509R/1099/1099F/1099R)