3WAY VRF SYSTEMTest Run6 - 191234567898. Self-Diagnosis Function Table andContents of Alarm Display• Contents of alarm display on remote controllerFor the remote controller, there are other alarm contents listed on the following table besides the alarm display on outdoor mainunit control P.C. board.Wired remotecontrol display Detected contents Remote controller is detecting error signalfrom indoor unit.Indoor unit does not respond to remote controller. The remote controller is having error in sending serialcommunication signal.<> Controller does not respond to indoor unit.E04 Indoor unit is detecting error signal frommain outdoor unit. Outdoor unit does not respond to indoor unit.E06 Outdoor unit is detecting error signal fromindoor unit. Some indoor units does not respond to outdoor unit.E08 Improper setting of indoor unit or remotecontroller.Indoor unit address is dupulicating.<> Two or more remote controllers are set as main on R1-R2 link.E12 During auto address setting, number ofconnected units does not correspond tonumber set.When turning on the power supply, numberof connected units does not correspond tonumber set.(Except R.C.address is “0.”)Auto Address failed to start.E15 Fewer indoor units are found in Auto Addressing than the settingon outdoor PCB.E16 More indoor units are found in Auto Addressing than the settingon outdoor PCB.E20 No indoor unit responded in Auto Addressing.E24 No response from sub outdoor unit.E25 The outdoor unit address is duplicating.E26 The number of responding outdoor units does not match withthe setting on the main outdoor unit.E29 No response from main outdoor unit.E31 Error in communication inside outdoor unit control box.<> Improper setting. Indoor unit model does not match with the outdoor unit model.(Multi-split/mini-split) Two or more indoor units are set as main in group control.L05 Two or more indoor units are set as priority indoor unit.L06 Two or more indoor units are set as priority indoor unit.L07 Group control wiring is detected for indoor unit set as individualcontrol.L08 Indoor unit address is not set.<> Capacity setting of indoor unit is not correct.L04 Duplicate system address setting on outdoor units.L10 Capacity setting of outdoor unit is not correct.L11 Incorrect wiring of remote group control wiring (in case of sharedsolenoid valve kit)L17 Model mismatch between outdoor units in one refrigerant circuit.Remote control display Alarm contentsP04 Protection device activated. High pressure switch (63PH, 63PH1 or 63PH2) or compressor thermalprotector (49C1 / 49C2).P05 Open phase in power input is detected at HIC for 1st compressor.P09 Connection to the panel of indoor unit is not good.P10 Float switch of drain pan safety is activated.P11 Drain pump failure or locked rotor.P12 Indoor fan inverter protection control is activated.P14 Input detected at EXCT terminal on indoor PCB for refrigerant detector.P15 Open phase in power input is detected at HIC for 2nd compressor.P16 Overcurrent of 1st compressor on the secondary side of inverter circuit, or inverter failed to syncronizewith rotation.P17 2nd compressor discharge temperature too high.P19 Inverter for 2nd compressor failed to start or failed to syncronize with rotation.P22 Fan motor or inverter drive of outdoor unit has failure.P26 Overcurrent of 2nd compressor on the secondary side of inverter circuit, or inverter failed to syncronizewith rotation.P29 Inverter for 1st compressor failed to start or failed to syncronize with rotation.P31 Other indoor unit in group control has an alarm.
