Gree GDN12AJ-K4EBC1A Service Manual page 12

Service Manual
FILTER button and then this indicator is off.
BUCKET FULL indicator: the indicator blinks if bucket full protection is occurred or the water tank hasn't been installed well.
(3) Timer OFF control
2h or 4h timer OFF can be set. Timer off can be set under on status. Timer setting is recorded every 30min by memory function.
(4) Display of nixie tube (green)
Under on status, the nixie tube displays current humidity. Press "+" button or "-" button to display set humidity. After humidity is set for
5s, it resumes to display current ambient humidity. If "CO" is set, the nixie tube displays "CO";
When there's malfunction of temperature sensor, nixie tube displays "F2" and LED is OFF.
(5) Filter alarming function
a. After the fan operates for 250s totally, the filter indicator is on for reminding customer to clean filter. User presses "filter" button to
clear time and then filter indicator is OFF.
b. Under off status, the filter indicator is off; the filter clean time is recorded every 30mins.
(6) Buzzer
When the controller is energized or receives any command or signal from the buttons or the remote controller, the buzzer will give out
a beep.
(7) Power-off memory function
System can memorize the operation status before power failure. The unit can operate at that status automatically when power
recovery.
(8) Ex-factory default setting
Ex-factory default setting: fan speed: high speed
humidity: continue humidifying (CO).
Maintenance
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