If you are having problems with a Big Dipper unit, below are resources to assist with troubleshooting and evaluating the issue.
Big Dipper 14000 Series (Mechanical Timer) Troubleshooting Guide
For troubleshooting the 40000 Series (Digital Control) Units, please consult the Maintenance portion of your Installation and Operations Manual which may be found on the Big Dipper Maintenance page. Below is a technical support resource for the board and digital control.
For information on replacement parts for the Big Dipper, visit our Parts Store.