Q: Why does the display on my VM3541 voice board show “NC”? JD Courtney April 16, 2025 19:51 Updated A: The “NC” means No Communication. This will happen when there is no communication between the MICRO COMM® driver and the VM3541. Follow the troubleshooting steps in section 1.b. to track down the problem. Related articles Q: Why does my display show “NC”? Q: Why doesn’t my VM3541 voice board announce any floors? Q: Why do the arrows on my car riding lantern light, but the gong does not sound. Q: Why does my display show “2V”? (Some older displays may show “OK” instead.) Q: Why does my dot matrix display go blank? Comments 0 comments Please sign in to leave a comment.
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