4-10Trouble shooting4-1-3. Fan Coil Unit Address (MAIN/RMC) Setting1. Check whether or not power is being supplied to the fan coil unit.▶ If power is not being supplied, a separate power supply device will be required.2. A panel or DISPLAY that can receive option inputs must be connected to the fan coil unit.3. Depending on the air‑con installation conditions, the addresses (MAIN/RMC) of each fan coil unit mustbe set.4. Set the addresses (MAIN/RMC) of each fan coil unit using the remote controller.▶ The initial setting value of the fan coil unit address (MAIN/RMC) is "0A0000‑100000‑200000‑300000".Option No. : 0AXXXX‑1XXXXX‑2XXXXX‑3XXXXX● If "A"~"F" is inputted in SEG5~SEG6, the fan coil MAIN address will not be changed.● If “0” is inputted in SEG3, the fan coil will maintain the existing MAIN address even if an option value is inputted in SEG5~SEG6.● If “0” is inputted in SEG9, the fan coil will maintain the existing RMC address even if an option value is inputted in SEG11~12.Fan coil unit1(L) F2F12(N)Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6Explanation Page Mode MAIN address setting MAIN address setting Fan coil address tensdigitFan coil address unitsdigitRemotecontrollerdisplayIndicationand detailsIndication Details Indication Details Indication Details Indication Details Indication Details Indication Details0 A0 Do not setaddress0~9 Hundredsdigit 0~9 Tens digit 0~9 Units digit1AddresssettingmodeOption SEG7 SEG8 SEG9 SEG10 SEG11 SEG12Explanation PageNo functionRMC address settingNo functionGroup channel (*16) Group addressRemotecontrollerdisplayIndicationand detailsIndication Details Indication Details Indication Details Indication Details10 Do not setaddressRMC1 0~2 RMC2 0~F1AddresssettingModecaution