Display And Alarm - Haier DW-86L338J Service Manual

ULT Energy-saving Series After-sales Service Manual
seconds, the "Lock" light is off, enter the unlocking state, and the following settings can be carried out. Press the
"Function Selection" button to circularly select the temperature setting, high temperature alarm setting and low
temperature alarm setting in the freezer, and the corresponding indicator lights are on.
2) When press the "Temperature Setting" button, the setting temperature display area flashing displays the
temperature setting value. At this time, press the "△" and "▽" buttons may change the temperature setting value. In
case of no operation within 10s after setting, it will automatically enter the locked state and the temperature display
will stop flashing, indicating that the value has been entered into the computer, otherwise the setting will be invalid.
Temperature setting range is
3) During "High Temperature Alarm" setting, the setting temperature display area flashing displays the temperature
setting value. At this time, press the shift and adjustment buttons can adjust the alarm setting value. In case of no
operation within 10s after setting, it will automatically enter the locked state and the temperature display will stop
flashing, indicating that the value has been entered into the computer, otherwise the setting will be invalid. When
setting high temperature alarm, the setting temperature shall not be higher than the maximum limit, and shall not be
lower than the setting temperature + 5°C.
4) During "Low Temperature Alarm" setting, the setting temperature display area flashing displays the temperature
setting value. At this time, press the "△" and "▽" buttons can adjust the alarm setting value. In case of no operation
within 10s after setting, it will automatically enter the locked state and the temperature display will stop flashing,
indicating that the value has been entered into the computer, otherwise the setting will be invalid. When setting low
temperature alarm, the setting temperature shall not be lower than the minimum limit, and shall not be higher than
the setting temperature - 5°C. Otherwise, it cannot be set.

9.2 Display and alarm

After the freezer is connected to the power supply, it will enter the start-up state. All parameters displayed on
the display screen are kept as the data before the last power-off. The display shows the actual temperature, setting
temperature and current voltage.
Working status prompt of the display panel:
When the "Lock" indicator light is on, all settings are locked to prevent misoperation.
When the "Network" light is on, the network system is in functional mode.
When the "Operation" light is on, the cryogenic compressor is working
When the "Voltage Regulation" light is on, the voltage booster is in the process of increasing and reducing voltage.
When the "back-up System" light is on, the back-up refrigeration system is in working state;
Alarm status indications:
A. "High Temperature" indicator light: when the indicator light is on, it indicates the alarm display when the
temperature in the freezer is higher than the setting value of high temperature.
B. "Low Temperature" indicator light: when the indicator light is on, it indicates the alarm display when the
temperature in the freezer is lower than the setting value of low temperature.
C. "Door Opening" indicator light: the indicator light flashes to indicate the alarm display when the door opening
time exceeds the set time.
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