Section 0
2
Samsung Electronics
Contents
4-3-9 MCU branch part setup error-Repeated setup for the same address over 3 times ........ 4-30
4-3-10 MCU branch part setup error-non-installed address setup ................................................... 4-31
4-3-11 Setup Error for MCU Branch part-Setup Error for MCU Quantity Used ............................. 4-32
4-3-12 MCU branch part setup error-Overlapping Indoor unit Address setup ........................... 4-33
4-3-13 MCU branch part setup error_Set as being used without connection
to an Indoor unit ...................................................................................................................................... 4-34
4-3-14 MCU branch part setup error-Connect an Indoor unit to a branch part
not being used .......................................................................................................................................... 4-35
4-3-15 MCU branch part setup error-Connect more Indoor units than what is
actually set up in MCU ........................................................................................................................... 4-36
4-3-16 MCU/MCU subcooler entrance/exit sensor error (Open/Short) ........................................... 4-37
4-3-17 Outdoor Temperature Sensor Error .................................................................................................. 4-38
4-3-18 Cond Out Temperature Sensor Error (Open/Short) ................................................................... 4-39
4-3-19 Outdoor Cond Out sensor breakway error ................................................................................... 4-40
4-3-20 Compressor Discharge or TOP 1/2 Temperature sensor error ............................................... 4-42
4-3-21 Compressor Discharge or TOP temperature sensor breakway error .................................. 4-43
4-3-22 E269 : Suction Temperature sensor breakway error ................................................................. 4-44
4-3-23 High Pressure sensor error (Open/Short) ....................................................................................... 4-45
4-3-24 Low Pressure sensor error (Open/Short) ........................................................................................ 4-46
4-3-25 Suction Temperature sensor error (Open/Short) ........................................................................ 4-47
4-3-26 Liquid Pipe Temperature sensor error (Open/Short) ................................................................. 4-48
4-3-27 EVI In Temperature sensor error (Open/Short) ............................................................................ 4-49
4-3-28 EVI Out Temperature sensor error (Open/Short) ........................................................................ 4-50
4-3-29 Suction-2 Temperature Sensor Error (Open/Short) ................................................................... 4-51
4-3-30 Measures of other outdoor unit error ............................................................................................. 4-52
4-3-31 E407 : Comp. Down due to High Pressure Protection Control ............................................. 4-53
4-3-32 E410 : Comp. Down due to Low Pressure Protection Control ............................................... 4-55
4-3-33 E416 : Suspension of starting due to Compressure discharge
temperature sensor/Top temperature sensor ................................................................. 4-57
4-3-34 3-phase Input Wiring error ................................................................................................................... 4-58
4-3-35 E428 : Suspension of starting by abnormal compression ratio ........................................... 4-59
4-3-36 EVI EEV Open error .................................................................................................................................. 4-60
4-3-37 Refrigerant leakage error ...................................................................................................................... 4-61
4-3-38 Prevention of heating/cooling operation due to outdoor temperature .......................... 4-62
4-3-39 Prevention of heating refrigerant charge due to outdoor temperature .......................... 4-63
4-3-40 CH wire breaking error........................................................................................................................... 4-64
4-3-41 Fan starting error ...................................................................................................................................... 4-66
4-3-42 Fan lock error ............................................................................................................................................. 4-67
4-3-43 Momentary Blackout error ......................................................................................................................... 4-69
4-3-44 Outdoor Fan Motor overheating ....................................................................................................... 4-70
4-3-45 Fan IPM Overheat error .......................................................................................................................... 4-71
4-3-46 Compressor starting error .................................................................................................................... 4-72
4-3-47 COMP Overcurrent error ....................................................................................................................... 4-74
4-3-48 Overvoltage/Low voltage error .......................................................................................................... 4-78
4-3-49 DC Link voltage sensor error ............................................................................................................... 4-79
4-3-50 Fan Motor Overcurrent error ............................................................................................................... 4-80
4-3-51 Input/Output Current sensor error ................................................................................................... 4-82
4-3-52 Outdoor Fan PCB Overvoltage/Low voltage error ..................................................................... 4-83
4-3-53 Hall IC(Fan) error ....................................................................................................................................... 4-84
4-3-54 Inverter Overheat error .......................................................................................................................... 4-85
4-3-55 Option setting error of outdoor unit ............................................................................................... 4-86
4-3-57 Error due to using single type outdoor unit in a module installation ............................... 4-87
4-3-57 Indoor unit and MCU address duplication error ......................................................................... 4-88
