PA Industries Edge Sequential Servo Roll Feed SRF-100/125/200/300/400/500/600 - Operation Manual - Manual (Page 25)

ULTRA EDGE SEQUENTIAL 6 /05/2002
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5.3 TROUBLESHOOTING GUIDE
The chart that follows contains the most frequently encountered issues.
Symptom Cause or Remedy
No power indication when
Power On button is pressed 1. Check the main power supply for proper voltage.
2. Check the supply circuit breakers.
3. Verify that the main disconnect switch is on.
4. Verify that the E-Stop is not engaged (E-Stop Loop closed.)
5. Check the bulb in Power On push button.
No display on power up 6. Check the cabling connection between display and the servo drive.
7. Check 5 VDC power supply.
Feed will not jog 8. Check if IN POSITION indicator is off. Check parameters. Check drive for
Error Codes.
9. Check the FAULT in display i.e. DRIVE FAULT # ABC. Check for Error
descriptions. See Section 5.2 of the “Ultra 5000 Intelligent Positioning Drives”
Installation Manual.
Power On indicator is lit. Feed
will not operate. 10. Check that the IN POSITION indicator is lit. If not, check parameters.
11. Check that the Error message is in the Display. If so, check error description in
Section 5.4
12. Press the Power On button, release the Power On button, and then try to jog
feeder.
Feed will not accept new “Feed
Length” or other parameters 13. Make sure that the feed is not in “Auto” Mode.
14. Reset the Feed.
Inaccurate feeding 15. Adjust the rolls for the correct material thickness; the tip of the roll release lever
must have a small amount of play/wobble – approx. 1/16’’.
16. Adjust the spring pressure (Do not bottom springs. Catastrophic damage can
occur.)
17. Confirm if the rolls are slipping on the strip. Remove oil from the feed rolls,
reduce acceleration, check the tool for binding/slugs, etc.
18. Adjust the upstream equipment if the upstream equipment not providing
adequate/consistent free loop.
19. Check the roll release for the proper settings
Feed runs backwards 20. Verify that the direction parameter has been set properly (CW or CCW).
Drive Fault This is a generic display prompt indicating a fault on the Servo Drive.
21. Look at the diagnostic display on the Servo Drive. The cause of the fault can be
determined by reading the Error Code.
22. Refer to Sections 5.4. This fault condition can be caused by any one of the errors
in the lists.
23. Check the Error Code first, then reset the Servo Drive by turning the power off,
waiting 10 seconds, and then powering the Servo Drive back on.
24. Verify that the fault will not reset. Call the factory for assistance.
If the problem you are having does not appear in the above chart, or does appear in the chart, and you have questions
about it, call the P/A Service Department for assistance. Please have your Model Number and Serial Number ready.
However, it is advisable to check the basics before calling to be sure the problem is not something simple that may
have been overlooked.