Midea MIV V4+ Mini Service Manual page 39

DM12-01.01.05en
6) E6 malfunction
LED indicates E6
PFC module protection
Check whether the connecting line between
main board and the PFC module is
connected tightly
Check whether the voltage between P
and N of IPM module is 270-380V
Replace the PFC module
Outdoor units
MIV V4+ Mini DC Inverter R410A (220V, 8 kW)
No
Connect it tightly, check normal or
not
Replace the outdoor main board
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