55
[23][25][26][27][29][30][31][32][33][35][36][37][38][39][40][41][42][43]
Check the wiring
connection of the electrical
box according
to the wiring diagram,
if loosening, flint, etc.
Check if the dip switch
of outdoor PCB setting
is right
Change the PCB to
search state, and
confirm if the outdoor
model is right
Replace inverter module
Replace PCB
Reset the dip switch
Replace the
abnormal wiring
Yes
Yes
Yes
No
No
No
