Allen-Bradley PowerFlex 700H Service Manual page 23

1. Remove power from the drive. Refer to
Drive on page 3-3.
2. Disconnect the motor leads from the drive.
3. On ac input drives, conduct forward and reverse biased diode tests on
the Rectifying module(s).
Figure 2.1 Measurement Points for Forward and Reverse Diode Tests
DC+
DC-
U/T1
1L1 1L3
1L2
Note: 600V ac input, 460A and 502A frame 11
drives only have one Rectifying module.
Table 2.A Forward Biased Diode Tests on Rectifying Module(s)
Meter Leads
+ - Nominal meter reading
L1 DC+
L2 DC+
L3 DC+
Value should gradually rise to about
0.5V
DC- L1
DC- L2
DC- L3
Removing Power from the
V/T2 W/T3
2L1 2L3
2L2
Component Test Procedures 2-5