By following thee tips explained in this guide you should be able to resolve any load balancer issues in DigitalOcean.
DigitalOcean provides a range of load balancing options. If your load balancer isn't working correctly, the first step is to check the connection status and the health of the nodes.
If these are both good, then you should check the load balancer's settings and, if necessary, reset the load balancer. If all else fails, you may need to create a new load balancer.