Midea V6R Series Owner's Manual page 8

Displayed
Content
F5 T6A temperature sensor error
zF6 Electronic expansion valve connection error
F9 T5 temperature sensor error
FA T8 temperature sensor error
Fb T9 temperature sensor error
Fc TL temperature sensor error
Fd T7 temperature sensor error
H0 Communication error between main board and compressor drive board
H2 Qty. of outdoor unit decreases error
H3 Qty. of outdoor unit increases error
H4 Compressor inverter module protection
H5 Low pressure protection lock out (P2 3X in 60 minutes)
H6 Compressor discharge temperature protection ( P4 3X in 100 minutes)
H7 Qty. of indoor units mismatching
H8 High pressure sensor error
xH9 DC fan module protection ( P9 10X in 120 minutes)
Hb Low pressure sensor error
yHd Slave unit malfunction(y=1,2 ,1Hd stands for slave unit 1 error)
C7 Compressor inverter module temperature protection ( PL 3X in 100 minutes)
P1 High pressure protection
P2 Low pressure protection
P31 Primary current protection
P32 Secondary current protection
P4 Discharge temperature protection or discharge temperature switch protection
In the event of S10=ON, a forced test operation is set. However, a test operation is
U0
not performed for 30 minutes after power-on
xP9 DC fan module protection
PL Compressor inverter module temperature protection
PP Compressor discharge insufficient superheat protection
A0 Emergency stop
A1w Refrigerant leakage protection
CA2 The system is connected to VRF DX AHU control box only
CA3 The system is connected only to the HT hydro module
CA4 The system is only connected to VRF DX AHU control box + HT hydro module
The system is simultaneously connected to VRF indoor + VRF DX AHU control box +
CA5
HT hydro module
Cb1 VRF indoor is beyond the connection range
Cb2 VRF DX AHU control box is beyond the connection range
Cb3 The HT hydro module is beyond the connection range
Cb4 The Qty. of IDUs connected to the system is beyond the connection range
L0 Inverter compressor module error
L1 DC bus low voltage protection
L2 DC bus high voltage protection
L3 Reserved
L4 MCE error
L5 Zero speed protection
L6 Motor parameter error
L7 Phase sequence error
L8 Compressor frequency hopping error
LA PED software verification failed
Note:
'x' is a placeholder for the fan address, with 1 representing fan A and 2 representing fan B.
'y' is a placeholder for the address (1 or 2) of the slave unit with the error.
'z' is a number for the electronic expansion valve, with1 representing electronic expansion valve A and 3 representing
electronic expansion valve C.
'w' is a placeholder for the protection mode of refrigerant leakage, with 1 representing the system should force to shutdown
after the protection, 2 representing the system should force to shutdown after the protection in 12 hours and 3 representing
the system should force to shutdown after the protection in 24 hours.
Error or protection definition
06
Remarks
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Only displayed on the the master unit
Only displayed on the the master unit
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Only displayed on the the master unit
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Only displayed on the the master unit
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error