Samsung Electronics
1
Contents
1. Product Specifications .................................................................................................................. 3
1-1. The Feature of Product ............................................................................................................................... 3
1-1-1 Feature ........................................................................................................................................................................3
1-2. Product Specifications ................................................................................................................................ 9
2. Disassembly and Reassembly ....................................................................................................11
3 Troubleshooting .......................................................................................................................... 21
3-1. Error Display ...............................................................................................................................................21
3-2. Error Code .................................................................................................................................................. 22
3-3. How to take measures for each symptom ............................................................................................ 25
3-3-1 Communication error between indoor and outdoor units during tracking (Error Code : E201) ...........25
3-1-2 Communication error between indoor and outdoor units after completing tracking
(Error Code : E202) ................................................................................................................................................26
3-3-3 Communication error (1 minute) between Main and Sub Micoms of an Outdoor unit or
among Outdoor Units (Error Code : E203) .......................................................................................................27
3-3-4 MCU branch part setup error – inconsecutive connection with the use of 2 branch parts ...................28
3-3-5 MCU branch part setup error – Repeated setup for the same address over 3 times .............................29
3-3-6 MCU branch part setup error – non-installed address setup ..................................................................... 30
3-3-7 Communication error (1 minute) between Main and Sub Micoms of an Outdoor unit or
among Outdoor Units(Error Code : E203) ........................................................................................................31
3-3-8 MCU branch part setup error – Overlapping Indoor unit Address setup ..................................................32
3-3-9 MCU branch part setup error – Set as being used without connection to an Indoor unit ....................33
3-3-10 MCU branch part setup error – Connect an Indoor unit to a branch part not being used .................. 34
3-3-11 MCU branch part setup error – Connect more Indoor units than what is actually set up in MCU .............35
3-3-12 MCU/MCU subcooler entrance/exit sensor error (Open/Short) ...............................................................36
3-3-13 Outdoor temperature sensor error(Open/Short)
(Error Code : E221, E231, E251, E269, E276, E311 E321, E322, E323) ..........................................................37
3-3-14 High pressure temperature sensor error (Open/Short) (Error Code : E291)
Low pressure temperature sensor error (Open/Short) (Error Code : E296) .......................................... 38
3-3-15 Compressor down by antifreeze control (Error Code: E403) .....................................................................39
3-3-16 Comp. down due to a protective control of high pressure (Error Code : E407) .................................... 40
3-3-17 Comp. down due to a protective control of low pressure (Error Code : E410) .......................................41
3-3-18 Comp. down due to a discharge temperature sensor of a compressor (Error Code : E416) ................42
3-3-19 Reverse phase detection error (3Phase outdoor unit) (Error Code : E425) ............................................ 43
3-3-20 ESC EEV open error (Error Code : E438) ........................................................................................................ 44
3-3-21 Refrigerant leakage error (Error Code : E439) ............................................................................................. 45
3-3-22 Prohibition of the compressor operation due to outdoor temperature
(Error Code : E440, 441) .................................................................................................................................... 46
3-2-23 Refrigerant leakage error (during operation) (Error Code : E443) .......................................................... 46
3-3-24 Outdoor unit fan error (Error Code : E458, 475 ) ..........................................................................................47
3-3-25 Comp down due to OLP temperature control (Error Code : E463) .......................................................... 48
3-3-26 Compressor starting/rotation error (Error Code : E461, E467) ................................................................ 49
3-3-27 Current error / PFC overload error (Error Code : E462, E484) ...................................................................51
3-3-28 IPM over current error (Error Code : E464) ...................................................................................................52
3-3-29 DC-Link voltage under/over error (Error Code : E466) ...............................................................................55
3-3-30 Others ...................................................................................................................................................................57
