Midea MV5-X252W/V2GN1 Service Manual page 49

V5 X VRF 50/60Hz
Table 5-3.1: Error code table (continued)
1
Error code
Number of indoor units detected by master unit not same as number set
H7
on main PCB
H8 Discharge pipe low pressure protection.
yHd Slave unit malfunction
P0 Compressor temperature protection
P1 Discharge pipe high pressure protection
P2, H5 Suction pipe low pressure protection
xP3 Compressor current protection
P4, H6 Discharge temperature protection
P5 Outdoor heat exchanger temperature protection
P9, H9 Fan module protection
PL, C7 Inverter module temperature protection
PP, F0 Compressor discharge insufficient superheat protection
xF1 DC bus voltage 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
Compressor frequency variation greater than 15Hz within one second
xL8
protection
Actual compressor frequency differs from target frequency by more than
xL9
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.
48
Content Remarks
Only displayed on the master unit
Displayed on the unit with the error
Only displayed on 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
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