Rockwell Automation Liqui-Flo AC Power Modules - Manual (Page 86)

9-6 LiquiFlo AC Power Modules, Hardware Reference Version 6.4
Table 9.1 – Resistance Checks
Input
Diode
No.
Meter
Connection
(+) (-)
Component is OK if
resistance (R) is: Component is defective if:
1 * L1 10 < R < 1 megohm Continuity (short circuit) or
open when the meter is
connected with reversed
polarity.
2 * L2
3 * L3
4 * L4
5 * L5
6 * L6
7 L1 **
8 L2 **
9 L3 **
10 L4 **
11 L5 **
12 L6 **
* (+) DC Bus Volts power terminal
** (-) DC Bus Volts power terminal
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