Method Of Replacing The Inverter's Power Transistors And Diode Modules - Daikin RXYQ72 Serivce Manual

Method of Replacing The Inverter's Power Transistors and Diode Modules

8. Method of Replacing The Inverter's Power
Transistors and Diode Modules
8.1 Method of Replacing The Inverter's Power Transistors and
Diode Modules
Inverter P.C.Board
Electronic circuit
X10A
L1
L2
L3
[Decision according to continuity check by analog tester]
242
Fasten Tab
N3 P3 P2 P1
DM
Before checking, disconnect the electric wiring connected to the power transistor and diode
module.
Inverter PC board (A1P)
PC0208
X10A
L1 L2 L3 U
P1 P2 P3
N3
Pin
X11A
V W N
IGBT
U V W
X11A
SiUS39-601
N
(V2895)
Appendix