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The DF code appears when the unit is in a pre heat cycle on start up. It can also appear at...
Error Code: F1 - Communication FaultThe error code ' F1' means the indoor unit PCB and outdoor unit PCB cannot communicate with each...
Error Code: F2/F3 - Internal Temperature Sensor FaultBoth error codes signify that there's a problem with the internal sensor. The difference between...
Error Code: F4 - Internal Fan FaultThe error code 'F4' is indicating either a fault with the indoor fan motor or indoor PCB. To...
Error Code: F5 - IPM Module Fault ( Intelligent Power Module )The IPM module is the inverter module which controls the speed of the compressor and the outdoor...
Error Code: F6/F7/F9 - External Temperature Sensor FaultAll 3 error codes means there is something wrong with the sensors - the difference between the...
Error Code: FC - Compressor Drive FaultThis error is signifying a fault between the compressor and external PCB. To fix the error code...
Error Code: FF - Outdoor Unit FaultThis fault code 'FF' can mean many different things related to the outdoor units components. To...
Error Code: P1 - Evaporator Temperature ProtectionThe error code P1 is signifying the unit is getting too hot. You can check the indoor unit...
Error Code: P2 - Overheat/strong current protection for IPM moduleThe error code P2 is signifying a fault with the IPM module, it is either getting too hot or the...
Error Code: P4/P6/PA - Outdoor Temperature Sensor FaultTo fix this problem you'll need to do the following: Check the outdoor unit is clear of any...
Error Code: P8/P9 - Low/high Refrigerant PressureThe error code 'P8/P9' is signifying the refrigerant in the system is either low or too high. P8...
Error Code: PC - High Outdoor Ambient Temperature ProtectionThe error code 'PC' is signifying that the outdoor air sensor is detecting the outdoor ambient...
USER'S MANUAL KFR23/26/33/36/53/56/63/66/X1C-M