Station power is always on regardless of the setting in the ERP UI software.
Description/Explanation of Issue
If a power supply is powered on while the polarities are reversed a component that helps handle the station power switching fails.
1. Check Q3 for a short between the emitter and the collector.
2. If there is a short, replace the component with ETC part number Q9056-F (40V 3A PNP transistor).