Allen-Bradley PowerFlex 700H Hardware Service Manual page 35

Checking the Main Fan Motors
1. Remove power from the drive. Refer to
Drive on page 3-3.
2. Remove the covers from the power structures. Refer to
Covers from the Power Structures on page
3. On Power Structure #1, disconnect the left-hand fan motor from its
inverter.
4. Measure the resistance of the fan windings. If the resulting
measurements are not similar to those in
fan (See Removing the Main Fans on page
Table 2.K Correct Fan Measurements
Connection Wires
Black-Brown
Brown-Blue
Blue-Black
Resistance to ground
5. Reconnect the left-hand fan motor to its inverter.
6. Repeat steps 3 and 4 for the right-hand fan motor.
7. Repeat steps 3 - 6 for Power Structure #2.
Component Test Procedures
Removing Power from the
3-15.
Table 2.K
3-26).
Resistance ± 5%
60
26
34
.0L (Zero Load)
2-19
Removing the
below, replace the