York EAHC-09 FS, Service Manual

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Running icon and mode display
After the unit is powered on, all the icon s will be displayed once. The operation indicator icon is red during the standby state.
When turning on the unit by remote control ler , the operation indicator icon will be displayed , and at the same time, the icon of setting
running mode will be displayed ( the mode indicator shows cooling, heating, and dehumidif ying ). All the displays will be turned off
if the lighting button is turned off .
(10) PG motor locked-rotor protection
(11) Power- off memory protection
Dual-8 Display
The current setting temperature will be displayed if the setting temperature display is set by user ; The ambient temperature display
status switched from other status will keep 5s and then it will turn back to display the setting temperature . For the first startup of the
unit, setting temperature display is default ed . C5 will be displayed for jumper cap malfunction, F1 for ambient temperature sensor
malfunction and F2 for internal tube temperature sensor malfunction; H1 will be displayed during defrosting and H6 during PG motor lo ck.
(9) Display
Memory content includes mode, up&down swing, light, setting temp. and setting fan speed.Upon power failure, the unit will automa-
tically start to run according to memory content after power recovery. If the last remote-control command without timer setting,the
system will memorize the last remote-control signal and runs according to it. If the last remote controller command has general timer
function and the system is de-energized before setting time, the system will memorize the last timer function in remote controller co-
mmand after re-energization and time will be recalculated. If there is timer function in the last remote controller command but setting
time has reached, the system will act as timer on/off setting before de-energization. After re-energization, the system memorizes the
running states before power failure without timer action. Clock timer can not be memorized.
When starting the fan, if the motor 's running speed is slow for a period of time. I n order to prevent the motor from automatic
protection , locked is displayed . If the unit is at ON status, the dual 8 nixietube will display the locked error code H6; If the unit is
at OFF status, it won't display the information of locked malfunction.