Contents
4-3-9 Indoor/outdoor communication error (1min.) (Error Code : E202) .......................... 4-32
4-3-10
Communication error between outdoor unit INV ↔ MAIN MICOM
(1 min.)(Error Code: E203) ................................................................................................4-34
4-3-11 Outdoor sensor error (Error Code : E221, E231, E251, E320) ..................................... 4-35
4-3-12 Reverse phase / Loss phase detection
(3-phase outdoor unit) (Error Code : E425 ) ............................................................... 4-36
4-3-13 Compressor down due to freezing control (Error Code : E403) .............................. 4-37
4-3-14 Outdoor unit Fan error (Error Code : E458, E475) ..................................................... 4-38
4-3-15 Compressor starting error / rotation error (Error Code : E461, E467) ................... 4-39
4-3-16 Full current error / PFC over-current error (Error Code : E462, E484) ...................4-41
4-3-17 IPM over current error (Error Code : E464) ................................................................. 4-42
4-3-18 DC LINK over-current / low-voltage error (Error Code : E466)
H/W DC_Link Over Voltage Error (Error Code : E483)
AC Input Voltage Sensor Error (Error Code : E488) ................................................. 4-45
4-3-19 Gas leakage error (Error Code : E554) ......................................................................... 4-46
4-3-20 Pipe blockage error (Error Code : E422) ..................................................................... 4-48
4-3-21 Smart install mode was not carried out (Error Code : E508 ) .................................. 4-49
4-3-22 Others ............................................................................................................................... 4-51
5. PCB Diagram and Parts List ..................................................................................................................... 5-1
5-1 Indoor Unit ................................................................................................................................. 5-1
5-1-1 MAIN PCB .............................................................................................................................. 5-1
5-1-2 Display PCB ........................................................................................................................5-15
5-1-3 Sub PCB ...............................................................................................................................5-16
5-1-4 BLDC PBA ........................................................................................................................... 5-17
5-2 Outdoor Unit ............................................................................................................................ 5-18
5-2-1 MAIN PCB ............................................................................................................................5-18
5-2-2 INVERTER PCB .................................................................................................................. 5-26
5-2-3 EMI PBA ............................................................................................................................. 5-29
6. Wiring Diagram ........................................................................................................................................ 6-1
6-1 Indoor Unit ................................................................................................................................. 6-1
6-2 Outdoor unit ............................................................................................................................ 6-11
7. Reference Sheet ....................................................................................................................................... 7-1
7-1 Index for Model Name ............................................................................................................... 7-1
7-1-1 Indoor Unit ............................................................................................................................ 7-1
7-1-2 Outdoor Unit ......................................................................................................................... 7-2
7-1-3 Panel ......................................................................................................................................7-3
7-2 Refrigerating Cycle Diagram ....................................................................................................7-4
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