Midea V4+R Series, Руководство по обслуживанию

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V4+R VRF 50/60Hz
201608 49
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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
xP6,xH4 Inverter module protection
When X is 1, it means A inverter module; 2
means B inverter module
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
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
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.