Gree XE71-42/G Owner's Manual page 36

Error Code
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 or Controller unmatched
U7 4–way valve switch-over error
P0 Driver reset protection
P5 Over-current protection
P6 Master control and driver communication error
P7 Driver module sensor error
P8 Driver module high temperature protection
P9 Zero-crossing protection
PA AC current protection
Wired Controller XE71-42/G
Error
31