Service Menuswww DaikinApplied com35 OM 1263 • MICROTECH UNIT CONTROLLERModbus Status MenuThe Modbus Status Menu provides diagnostic informationto qualified service personnel. The items listed provide thestatus of the Modbus communications with the various devicescontrolled by the internal Modbus networkTable 27: Modbus Status MenuItem DisplayName Default Setting Range Password LevelSF MB Status= — Fault/OK 2RFEF MB Status= — Fault/OK 2OF MB Status= — Fault/OK 2IFB MB Status= — Fault/OK 2VCmp MBStatus= — Fault/OK 2MBResistance= Yes No/Yess 2ECM Config= DoneDone2SetAdd1SetAdd2SetAdd4SetAddCtlSF MB Status is a status only item which indicates the statusof the Modbus communications between the main controllerand the supply fan motorRFEF MB Status is a status only item which indicates thestatus of the Modbus communications between the maincontroller and the return/exhaust fan motorOF MB Status is a status only point to indicate if thecompressor is properly communicating with the controller viaModbusIFB MB StatusVCmp MB Status is a status only point to indicate if thecompressor is properly communicating with the controller viaModbusMB Resistance is an adjustable item used turn the maincontroller’s internal Modbus termination resistorECM Config is an adjustable item used to set or change theinternal Modbus address in the supply and exhaust fan motorsSensor Offsets MenuThe Sensor Offsets Menu provides a means of calibrating thevarious temperature sensor inputs to the unit Each sensorcan be “biased” by as much as +/- 10 0°FTable 28: Sensor Offset MenuItem DisplayName Default Setting Range Password LevelOA Temp= 0 0°F 0 0 – 10 0°F 2DRT1= 0 0°F 0 0 – 10 0°F 2DRT3= 0 0°F 0 0 – 10 0°F 2SRT= 0 0°F 0 0 – 10 0°F 2DFT= 0 0°F 0 0 – 10 0°F 2IRT= 0 0°F 0 0 – 10 0°F 2ORT= 0 0°F 0 0 – 10 0°F 2