Rockwell Automation Liqui-Flo 1.5 AC Power Modules V1.2 - Manual (Page 56)

9-4 LiquiFlo 1.5 AC Power Modules, Hardware Reference Version 1.2
Table 9.1 - Resistance Checks (Continued)
IGBT
No.
Meter
Connection
(+) (-)
Component is OK if
resistance (R) is: Component is defective if:
1 * W/T3 10 < R < 1 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