Rockwell Automation GV3000/SE AC Drive Ver. 6.06 Hdwe Ref., Installation, and Troubleshooting Manual User Manual
Page 94

9-10
GV3000/SE AC Drive Hardware Reference, Version 6.06
Table 9.1 - Resistance Checks (Continued)
200–400 HP Drives
Input
Diode
No.
Meter
Connection
(+) (-)
Component is OK if
resistance (R) is:
Component is defective if:
1
* R/L1
R > 100 kohm
Continuity (short circuit)
2
* S/L2
3
* T/L3
4
R/L1 **
5
S/L2 **
6
T/L3 **
* (+) DC Bus power terminal
** (-) DC Bus power terminal
1–60 HP Drives
IGBT
No.
Meter
Connection
(+) (-)
Component is OK if
resistance (R) is:
Component is defective if:
1
* W/T3
50K < R < 10 Megohm
Continuity (short circuit) or
open when the meter is
connected with reversed
polarity
2
* V/T2
3
* U/T1
4
W/T3 **
5
V/T2 **
6
U/T1 **
* (+) DC Bus Volts power terminal
** (-) DC Bus Volts power terminal
60–150 HP Drives
IGBT
No.
Meter
Connection
(+) (-)
Component is OK if
resistance (R) is:
Component is defective if:
1
47 W
0.3 kohm < R < 8 kohm
Continuity (short circuit) or
open when the meter is
connected with reversed
polarity
2
47 V
3
47 U
4
W 45
5
V 45
6
U 45