Danfoss VLT FCD300, FCD 302 & DSD 510 Decentral Drive
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Feb 29, 2024 12:24 pm
Cause : Live zero error comes when the voltage or current signal on terminal 53 or 60 is below 50% of the preset value in parameter 309 or 315 Terminal, min. scaling. Broken wiring or faulty device sending the signal can cause this condition.
- Check connections on all the analog input terminals.
- Check that the frequency converter programming and switch settings match the analog signal type.
- Perform an input terminal signal test.