UPDATE: Many users have reported seeing the error message "votes have been suspended for a cooling period." This is a security measure of PollDaddy, the service we use to create and administer polls and surveys. The security measure is designed to protect PollDaddy from what could possibly be a malicious attack on its servers--although we know it's just you guys voting!
Unfortunately there is no way to disable this feature or "whitelist" specific IP addresses to lift the suspension. We apologize for the inconvenience. The only recommendations we have are to slow down, and try vote from different IP addresses if possible.