TroubleShooting basics: electrical power (STC controlled operators) January 29, 2020 20:54 Updated Related articles TroubleShooting basics: Hydraulic (STC controlled operators) Troubleshooting Error Code Flowcharts for STC controller TroubleShooting basics: electrical control (STC controlled operators) Gate will not operate (no power); Power LED is off TroubleShooting basics: electrical 1 (STC controlled operators)