6213 Servicing Mode13.1 Auto Off/On ButtonAuto OFF/ONButton PressedAuto OFF/ONButton Pressed5 secAuto Operation Test Run Operation(Forced Cooling Operation)StopBeep1 AUTO OPERATION MODEThe Auto Operation will be activated immediately once the Auto OFF/ON button is pressed. This operationcan be used 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.The Auto OFF/ON button may be used together with remote control to set / change the advance setting of airconditioner operation.3 REMOTE CONTROL NUMBER SWITCH MODEThe Remote Control Number Switch Mode will be activated if the Auto OFF/ON button is pressedcontinuously for more than 11 seconds (3 “beep” sounds will occur at 11 th seconds to identify the RemoteControl Number Switch Mode is in standby condition), press “AC Reset” button and then press any button atremote control to transmit and store the desired transmission code to the EEPROM.There are 4 types of remote control transmission code could be selected. The indoor unit will only operatewhen received signal with same transmission code from remote control. This could prevent signalinterference when there are 2 or more units installed nearby together.To change remote control transmission code, short or open jumpers at the remote control printed circuitboard.Remote Control Printed Circuit BoardJumper A (J1) Jumper B (D2) Remote Control No.Short Open A (Default)Open Open BShort Short COpen Short D4 REMOTE CONTROL RECEIVING SOUND OFF/ON MODEThe Remote Control Receiving Sound OFF/ON Mode will be activated if the Auto OFF/ON button is pressedcontinuously for more than 16 seconds (4 “beep” sounds will occur at 16 th seconds to identify the RemoteControl Receiving Sound OFF/ON Mode is in standby condition) and press “AC Reset” button at remotecontrol.Press Auto OFF/ON button to toggle remote control receiving sound.- Short “beep”: Turn OFF remote control receiving sound.- Long “beep”: Turn ON remote control receiving sound.After Auto OFF/ON button is pressed, the 20 seconds counter for Remote Control Receiving Sound OFF/ONMode is restarted.D2J1