Section 0
2
Samsung Electronics
Contents
4-3-12 MCUMCU branch part setup error – Overlapping Indoor unit Address setup .............. 4-27
4-3-13
MCU branch part setup error – Set as being used without connection to an Indoor unit .. 4-28
4-3-14
MCU branch part setup error – Connect an Indoor unit to a branch part not being used ...... 4-29
4-3-15 MCU branch part setup error – Connect more Indoor units than what is actually set up in
MCU ................................................................................................................................................................ 4-30
4-3-16 MCU subcooler entrance/exit sensor error (Open/Short) ....................................................... 4-31
4-3-17 Outdoor Temperature Sensor Error .................................................................................................. 4-32
4-3-18 Cond Out Temperature Sensor Error (Open/Short) ................................................................... 4-33
4-3-19 Outdoor Cond Out sensor breakaway error ................................................................................. 4-34
4-3-20 Compressor Discharge or Top 1/2 Temperature sensor error ............................................... 4-35
4-3-21 Compressor Discharge or Top temperature sensor breakaway error ................................ 4-36
4-3-22 E269 : Suction Temperature sensor breakaway error ............................................................... 4-37
4-3-23 High Pressure sensor error (Open/Short) ....................................................................................... 4-38
4-3-24 Low Pressure sensor error (Open/Short) ........................................................................................ 4-39
4-3-25 Suction Temperature sensor error (Open/Short) ........................................................................ 4-40
4-3-26 Liquid Pipe Temperature sensor error (Open/Short) ................................................................. 4-41
4-3-27 EVI In Temperature sensor error (Open/Short) ............................................................................ 4-42
4-3-28 EVI Out Temperature sensor error (Open/Short) ........................................................................ 4-43
4-3-29 Suction-2 Temperature Sensor Error (OPEN/SHORT) ................................................................ 4-44
4-3-30 Measures of other outdoor unit error ............................................................................................. 4-45
4-3-31 E407 : Comp. Down due to High Pressure Protection Control ............................................. 4-46
4-3-32 E410 : Comp. Down due to Low Pressure Protection Control ............................................... 4-47
4-3-33 E416 : Suspension of starting due to Compressor discharge temperature sensor
/ Top temperature sensor ........................................................................................................ 4-48
4-3-34 3-phase Input Wiring error ................................................................................................................... 4-49
4-3-35 E428 : Suspension of starting by abnormal compression ratio ............................................ 4-50
4-3-36 EVI EEV Open error .................................................................................................................................. 4-51
4-3-37 Refrigerant leakage error ...................................................................................................................... 4-52
4-3-38 Prevention of heating / cooling operation due to outdoor temperature ........................ 4-53
4-3-39 Prevention of heating refrigerant charge due to outdoor temperature .......................... 4-54
4-3-40 CH wire breaking error........................................................................................................................... 4-55
4-3-41 Fan starting error ...................................................................................................................................... 4-56
4-3-42 Fan lock error ............................................................................................................................................. 4-58
4-3-43 Momentary Blackout error ......................................................................................................................... 4-59
4-3-44 Outdoor Fan Motor overheating ....................................................................................................... 4-60
4-3-45 Fan IPM Overheat error .......................................................................................................................... 4-61
4-3-46 Compressor starting error .................................................................................................................... 4-62
4-3-47 Inverter Overcurrent error .................................................................................................................... 4-64
4-3-48 Overvoltage / Low voltage error ....................................................................................................... 4-67
4-3-49 DC Link voltage sensor error ............................................................................................................... 4-68
4-3-50 Fan Motor Overcurrent error ............................................................................................................... 4-69
4-3-51 Input / Output Current sensor error ................................................................................................. 4-70
4-3-52 Outdoor Fan PCB Overvoltage / Low voltage error ................................................................... 4-71
4-3-53 Hall IC(Fan) error ....................................................................................................................................... 4-72
4-3-54 Inverter Overheat error .......................................................................................................................... 4-73
4-3-55 Option setting error of outdoor unit ............................................................................................... 4-74
4-3-56 Model mismatching of Indoor unit. ................................................................................................. 4-75
4-3-57 Error due to using single type outdoor unit in a module installation ............................... 4-76
