Midea V4+R Series - Page 88

V4+R VRF 50/60Hz
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Midea V4+R Series Service Manual
Table 5-4.1: Specific error codes for error xH4
Specific error code
1
Content
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.
The specific error codes xL0, xL1, xL2 and xL4 can also be obtained from the inverter module LED indicators. If an inverter
module error has occurred, LED5/7 is continuously on and LED4/6 flashes. Refer to Figure 5-4.4.
Figure 5-4.4: LED indicators LED4 to LED7 on main PCB