Rockwell Automation SA500 Diagnostics, Troubleshooting Guide - Manual (Page 29)

Installation and Start-Up Guidelines 4-9
Step 3. Verify that all drive components have been properly installed and interwired
per the instructions provided in the wiring diagrams (W/Ds, W/Es, W/Ls,
W/Os, and W/Is).
Step 4. Rotate the 1/4 turn cover fasteners securing the Power Module cover.
Remove the cover. Inspect the Power Module for cables that may have come
loose during shipping. Replace and re-secure the Power Module cover.
Step 5. Check for grounds in the magnetic control circuits. Always use an ohmmeter
to check for grounds in resolver circuits.
Step 6. Check rotating equipment for grounds.
Step 7. Check for tight connections on all wiring.
Step 8. Check circuit breaker trip settings.
Step 9. Verify that all safety devices are in place.
Step 10. Check fuses.
4.7.6 Testing Power Modules with Power On
The following steps are required to test SA500 Power Modules before they can be put
into service.
Perform the following steps before attempting to start the drive:
Step 1. Check the DC bus supply’s DC power levels.
a. Verify that DC input power to the Power Module is off.
b. Connect a DC voltmeter to the POS and NEG terminals on the Power
Module.
c. Apply power to the drive and verify that the DC voltage level is correct.
Step 2. If the motor uses 3-phase AC to power its blower motor, verify proper blower
motor rotation. Check to see that air is being forced into the motor. If air flow
is reversed (air is being pulled out of the motor), remove AC input power from
the blower motor and interchange any two AC line power wires feeding the
blower motor. Note that the blower motor must be wired to a fixed AC power
source and not to the Power Module.
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