User Manual

Diagnostics and Troubleshooting
4-3
Figure 4.1 – DC Bus Voltage Measuring Points
CAPACITOR BANK
PWR. MOD. A
AC MOTOR OUTPUT
UV
LPI CIRCUIT
PHASE U
PMI RACK
PHASE W
FAN
PHASE V
S
L
O
T
6
S
L
O
T
7
S
L
O
T
8
PWR. MOD. C
PWR. MOD. B
110V
D/S
±15V
PS PS
-24V
2FU
3FU
PS
+24V
1FU
25KHZ PS
2
F
U
1
F
U
+
-
2
8
8
2
8
9
MOTOR
GRD
GDIGDI GDI
POWER MODULE A
W
F102A F101A
GRD
DC BUS VOLTAGE
MEASURING POINTS
1247A
1145A
-BUS
ASSEMBLY
+BUS
F104A
F105A
F103A