Troubleshooting
•
Check the wiring.
•
Contact Danfoss.
9.2.2 Troubleshooting for the Servo System
9.2.2.1 LCP Display is Dark/Not Functioning
This fault applies to the ISD 510/DSD 510 servo drives, the SDM 511/SDM 512 servo drive modules, PSM 510, DAM 510, and ACM 510.
Possible Causes
•
Missing input power.
•
Missing or open fuses or circuit breaker tripped.
•
No power to the LCP.
•
Incorrect contrast setting.
•
Display is defective.
Troubleshooting
Table 34: Fault, LCP Display is Dark/Not Functioning
Possible cause
Possible solution
Missing input power.
Check the input power source.
Missing or open fuses or circuit breaker tripped.
Check the fuses and circuit breaker.
No power to the LCP.
•
Check the LCP cable for proper connection or damage.
•
Replace any faulty LCP or connection cables.
Incorrect contrast setting.
Press [Status] + [
▵
]/[
▿
] to adjust the contrast.
Display is defective.
Replace the faulty LCP or connection cable.
9.2.2.2 Open Power Fuses or Circuit Breaker Trip
This fault applies to the PSM 510 and DAM 510.
Possible Causes
•
Phase-to-phase short.
•
Short on backlink.
•
Short on SDM 511/SDM 512 output
•
Short on hybrid cable.
•
Short on EXM 510 connector or cable.
Troubleshooting
•
Check the cabling
•
Check for loose connections.
Diagnostics
Operating Guide | VLT® Multiaxis Servo Drive MSD 510 System
AQ262450196490en-000101 / 175R1170| 167
Danfoss A/S © 2019.10
Summary of Contents for VLT MSD 510
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