6314. Servicing Mode14.1 Auto OFF/ON Button1 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 occur at the fifth seconds, in order to identify the starting of Test Run operation(Forced cooling operation). Within 5 minutes after Forced cooling operation start, the Auto OFF/ON button ispressed for more than 5 seconds. A 2 “beep” sounds will occur at the fifth seconds, in order to identify thestarting of Forced heating 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 11th seconds to identify the RemoteControl Number Switch Mode is in standby condition) and press “AC RESET” button and then press anybutton at remote control to transmit and store the desired transmission code to the EEPROM.There are 4 types of remote control transmission code could be selected and stored in EEPROM of indoorunit. The indoor unit will only operate when received signal with same transmission code from remote control.This could prevent signal interference when there are 2 or more indoor 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 (J-A) Jumper B (J-B) Remote Control No.Short Open A (Default)Open Open BShort Short COpen Short D