SERVICE PARTS INFORMATION 7
IPM
(
Mounted on Transistor PCB)
02-47
Check Point 1
Check Point 2
Terminal
Resistance value
) Tester(-)
Disconnect the connection wires between the Transistor PCB - Capacitor PCB
and Transistor PCB - Inverter Compressor.
Set the tester to the "Resistance" mode, and measure
the resistance between the following terminals.
Set the tester to the "Diode" mode, and measure
the voltage value between the following terminals.
Judge the result of as follows:
Judge the result of as follows:
TM301 (P) - TM305(U) / TM304(V) / TM303(W)
TM302 (N) - TM305(U) / TM304(V) / TM303(W)
P
U
V
W
N
U
V
W
U
V
W
P
U
V
W
N
Over 2k
(Including )
Over 2k
(Including )
Over 20k
(Including )
Terminal
Tester display
) Tester(-)
P
U
V
W
N
U
V
W
U
V
W
P
U
V
W
N
0.3V 0.7V
P
YELLOW
TM301
U
RED
V
W
WHITE
BLACK
N
BLUE
TM305
TM304
TM303
TM302
W305
W304
W303
W302
CN301
IPM CONTROL WHITE
CN303
WHITE
W301
