Midea MV6-252WV2GN1 Service Manual page 90

Procedure
Disconnect the
power supply
Note:
1. The DC bus wire should run from the N_in terminal on the inverter module, through the current sensor (in the direction indicated by the
arrow on the current sensor), and end at the N_out terminal on the inverter module.
F1
Compressor inverter module
wiring loosened
No
Reactor and DC bus wiring is
incorrectly 1
No
The power supply is abnormal
No
Replace the inverter module
Figure 6-2.2: DC detection wire connection method
V6 VRF 50/60Hz
Reconnect cables based on
Yes
wiring diagram
Reconnect the reactor and
Yes
DC bus wire based on wiring
diagram
Check the power supply
equipment
89