Before Troubleshooting - Advanced Digital SimpleServo SS504 User Manual

Warning!
m
Dangerous voltages exist on the SimpleServo when it is powered, and up to 30 seconds after power is removed
and the motor stops. When possible, disconnect the AC or DC voltage input from the SimpleServo while
troubleshooting. Be alert. High voltages can cause serious or fatal injury.

Before troubleshooting

Perform the following steps before starting any procedure in this section:
•
Disconnect AC or DC voltage input from the SimpleServo. Wait 30 seconds for power to discharge.
•
Check the SimpleServo closely for damaged components.
•
Check that no foreign material has become lodged on, or fallen into, the SimpleServo.
•
Verify that every connection is correct and in good condition.
•
Verify that there are no short circuits or grounded connections.
•
Check that the drive's rated phase current and RMS voltage are consistent with the motor ratings.
For additional assistance, contact your local SimpleServo® authorized distributor.
Problem
External line fuse blows
Possible Cause
1. Line fuses are the wrong size.
2. Motor leads or incoming power leads are shorted to ground.
3. Nuisance tripping caused by EMI noise spikes caused by poor grounding and/or shielding.
Suggested Solution
1. Check that line fuses are properly sized for the motor being used.
2. Check motor cable and incoming power for shorts.
3. Check that you follow recommendation for shielding and grounding listed in section "Shielding
and grounding" early in this manual.
Section B
Troubleshooting
31