Midea V6-i Series Service Manual page 88

2.9.5 Procedure
Disconnect the
power supply
Reactor and DC bus wiring is incorrectly
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 error
Compressor inverter module wiring is
loosened
No
No
The power supply is abnormal
No
Replace the inverter module
Figure 6-2.2: DC detection wire connection method
Yes
Reconnect cables based on
wiring diagram
Reconnect the reactor and
Yes
1
DC bus wire based on wiring
diagram
Yes
Check the power supply
equipment
V6-i VRF 50/60Hz
87