Midea MV5-X500W/V2GN1-AU - Error Code Table

R410A All DC Inverter V5 X Series 50Hz MCAC-VTSM-2015-10
136 Troubleshooting
2. Error code table
Error
code
Content
Note
E0
Communication error between outdoor units
Only display on the faulty slave unit
E1
Phase sequence error
Display on the faulty unit
E2
Communication error between indoor units and the master unit.
Only display on the master unit
E3
Reserved
/
E4
Malfunction of outdoor ambient temperature sensor (T4)
Display on the faulty unit
E5
Malfunction of power supply voltage
Display on the faulty unit
E6
Reserved
/
E7
Malfunction of discharge temperature sensor
Display on the faulty unit
E8
Faulty outdoor unit address
Display on the faulty unit
xE9
Driver model is mismatched
When x is 1, it means A system; 2 means B
system
xH0
Malfunction of communication between main control chip and inverter
driver chip
Display on the faulty unit
H1
Malfunction of communication between main control chip and
communication chip
Display on the faulty unit
H2
Outdoor unit quantity is decreased
Only display on the master unit
H3
Outdoor unit quantity is increased
Only display on the master unit
xH4
Inverter module protection
Display on the faulty unit
Cannot be recovered until re-power on
H5
P2 protection appears three times in 60 minutes
Display on the faulty unit
Cannot be recovered until re-power on
H6
P4 protection appears three times in 100 minutes
Display on the faulty unit
Cannot be recovered until re-power on
H7
Faulty indoor units quantity
Display on the master unit
Cannot be recovered until unit quantity
recover
H8
Malfunction of pressure sensor for discharge pipe
The discharge pressure Pc≤0.3MPa
H9
P9 protection appears three times in 60 minutes
Display on the faulty unit
Cannot be recovered until re-power on
Hc
Reserved
/
F0
PP protection appears three times in 150 minutes
Display on the faulty unit
Cannot be recovered until re-power on
C7
PL protection appears three times in 100 minutes
Display on the faulty unit
Cannot be recovered until re-power on
yHd
Slave units malfunction
Y stands for corresponding slave unit, y=1,
2, 3.
P0
Temperature protection of inverter compressor
Display on the faulty unit
P1
High pressure protection
Display on the faulty unit
P2
Low pressure protection
Display on the faulty unit
xP3
Over current protection of compressor
Display on the faulty unit
P4
Discharge temperature protection
Display on the faulty unit
P5
Condenser high temperature protection
Display on the faulty unit
P9
Fan module protection
Display on the faulty unit
PL
Temperature protection of inverter module
Display on the faulty unit
PP
Insufficient overheat degree protection of compressor discharge
Display on the faulty unit
xL0
Inverter module error
/
xL1
DC generatrix low voltage error
/
xL2
DC generatrix high voltage error
/
xL3
Reserved
/
xL4
MCE error/ synchronization/ closed loop
/
xL5
Zero speed protection
/
xL6
Reserved
/
xL7
Phase sequence error
/
xL8
Frequency difference in one second more than 15Hz protection
/
xL9
Frequency difference between the real and the setting frequency more
than 15Hz protection
/
r1
Refrigerant amount is slightly insufficient
/
r2
Refrigerant amount is significantly insufficient
/
r3
Refrigerant amount is critically insufficient
/
R1
Refrigerant amount is slightly excessive
/
R2
Refrigerant amount is critically excessive
/