V4+ERROR CODE

Code Malfunction or protection remark Code Malfunction or protection remark:

E0 Outdoor unit communication malfunction Only slave unit displays
E1 Phase sequence malfunction E2 Communication between prime outdoor unit and indoor units
E3 reserved
E4 Ambient temp. sensor malfunction
E5 reserved
E6 reserved
E7 reserved
E8 Outdoor unit address is wrong
E9 Voltage malfunction
H0 Communication malfunction between IR341 and 780034
H1 Communication malfunction between 0537 and 780034
H2 Outdoor unit quantities decreasing malfunction Only master unit displays
H3 Outdoor unit quantities increasing malfunction Only master unit displays
H4 There are 3 times
P6 protection In 30 minutes. Refer to
P6 for repair
H5 There are 3 times
P2 protection In 30 minutes. Refer to P2 for repair
H6 There are 3 times P4 protection In 100 minutes. Refer to P4 for repair
H9 There are 3 times P9 protection In 30 minutes Refer to P9 for repair
H7 Indoor unit quantities decreasing malfunction over 3 minutes
P0 The sensor protection on the top of inv. compressor.
P1 High pressure protection P2 Low pressure protection
P3 Inv. compressor over current protection
P4 Discharge temp. sensor protection
P5 Pipe temp. sensor protection
P6 Module protection
P7 Fixed 1 current protection
P8 Fixed 2 current protection
P9 Fan module protection
L0 Module malfunction
L1 DC generatrix low voltage protection
L2 DC generatrix high voltage protection
L3 reserved L4 MCE malfunction/simultaneously/cycle loop
L5 Zero speed protection
L6 reserved
L7 Wrong phase protection
L8 Speed difference >15Hz protection between the front and the back clock
L9 Speed difference >15Hz protection between the real and the setting speed