Troubleshooting Error Code Flowcharts for STC controller March 16, 2022 21:56 Updated The attached document contains the troubleshooting for error codes in the STC controller. Troubleshooting_ErrorCodes_STC_D0308.pdf 1 MB Download Related articles Action-Blocked Open Input 1050 board display readouts and meaning 1050-Device Error Emerson Commander SK Variable Frequency Drive- Hardware Fault Codes (HF) What can I do to correct an "Overload" error on a 1050 control board?