error codes

[minks]

:confused:

[minks]

What does IPM error mean?? and anyone know the diagnosis for "compressor rotor position cannot detect"?
ac unit is FUJITSU model # AOT45LJBYL.....anybody please.........!

[install monkey]

inverter power module- u need to isolate it and thest resistance between diodes + to u,v,w and - to u.v.w and swap ur leads over and test again to ensure u get equal resistances each time- either 0 ohm or infinity on each 3 checks