Midea MV5-X252W/V2GN1 - Page 49

V5 X VRF 50/60Hz
48 201608
Midea V5 X Series Service Manual
Table 5-3.1: Error code table (continued)
Error code
1
Content
Remarks
H7
Number of indoor units detected by master unit not same as number set
on main PCB
Only displayed on the master unit
H8
Discharge pipe low pressure protection.
Displayed on the unit with the error
yHd
Slave unit malfunction
Only displayed on the master unit
P0
Compressor temperature protection
Displayed on the unit with the error
P1
Discharge pipe high pressure protection
Displayed on the unit with the error
P2, H5
Suction pipe low pressure protection
Displayed on the unit with the error
xP3
Compressor current protection
Displayed on the unit with the error
P4, H6
Discharge temperature protection
Displayed on the unit with the error
P5
Outdoor heat exchanger temperature protection
Displayed on the unit with the error
P9, H9
Fan module protection
Displayed on the unit with the error
PL, C7
Inverter module temperature protection
Displayed on the unit with the error
PP, F0
Compressor discharge insufficient superheat protection
Displayed on the unit with the error
xF1
DC bus voltage error
Displayed on the unit with the error
dF
Defrosting operation
d0
Oil return operation
xL0
Inverter module protection
xL1
DC bus low voltage protection
xL2
DC bus high voltage protection
xL4
MCE error
xL5
Zero speed protection
xL7
Phase sequence error
xL8
Compressor frequency variation greater than 15Hz within one second
protection
xL9
Actual compressor frequency differs from target frequency by more than
15Hz protection
r1
Refrigerant quantity slightly insufficient protection
r2
Refrigerant quantity significantly insufficient protection
r3
Refrigerant quantity critically insufficient protection
R1
Refrigerant quantity slightly excessive protection
R2
Refrigerant quantity critically excessive protection
Notes:
1. 'x' is a placeholder for the compressor system (compressor and related electrical components), with 1 representing compressor system A and 2
representing compressor system B. 'y' is a placeholder for the address (1, 2 or 3) of the slave unit with the error.