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Error Code Error
F0 Indoor ambient temperature sensor error
F1 Evaporator temperature sensor error
F2 Condenser temperature sensor error
F3 Outdoor ambient temperature sensor error
F4 Discharge temperature sensor error
F5 Wired controller temperature sensor error
C5 IDU jumper cap error
EE IDU or ODU memory chip error
PF Electric box sensor error
H3 Compressor overload protection
H4 Overload
H5 IPM protection
H6 DC fan error
H7 Driver out-of-step protection
HC pfc protection
Lc Startup failure
Ld Compressor phase-sequence protection
LF Power protection
LP IDU and ODU unmatched
U7 4–way valve switch-over error
P0 Driver reset protection
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