3011. Servicing Mode11.1 Auto Off/On Button1 AUTO OPERATION MODEAuto Operation will be activated immediately once the Auto OFF/ON button is pressed. This operation can beused to operate air conditioner with limited function if remote control is misplaced or malfunction.2 TEST RUN OPERATION (FOR PUMP DOWN/SERVICING PURPOSE)The Test Run Operation will be activated if the Auto OFF/ON button is pressed continuously for more than 5seconds. A “beep” sound will be heard at the fifth seconds, in order to identify the starting of this operation.3 REMOTE CONTROL RECEIVING SOUND OFF/ON MODEz To switch OFF the remote control receiving sound, press and hold "AUTO OFF/ON"button for approximately 10 seconds until you hear 2 “beep” sounds. Release you handand then press this button again for 10 seconds until you hear 2 “beep” sounds again,setting complete.z To switch ON the sounds, repeat above operation.4 Random Auto Restart Function OFF/ONz Factory setting is ON.z To close this function, press and hold “AUTO OFF/ON” button for approximately 15seconds until you hear 3 “beep” sounds. Release you hand and then press this buttonagain for 15 seconds until you hear 3 “beep” sounds again, setting complete.z To recover this function, repeat above operation.11.2 Remote Control Button11.2.1 Mode selecting buttonz AUTO, COOL, DRY, Fan can be selected by pressing “MODE” button.11.2.2 Temperature adjusting buttonTemperature adjusting range is between 16 ℃~30 ℃11.2.3 Fan speed buttonThere are 3 speed levels other than AUTO can be selected. The display on the remote controller changes as follows by pressingthe AIR SWING button.11.2.4 AIR SWING buttonTo adjust vertical airflow directions by pressing AIR SWING button (5 options and AUTO)Auto Operation Test Run Operation(Forced Cooling Operation)Remote ControlReceiving SoundOFF/ONRandom Auto RestartOFF/ON5 sec 10 sec 15 secONBeep Beep x 2 Beep x 3