If the Smartcom controller isn't working, a factory reset may resolve the issue. If a factory reset does not resolve the issue, please see the SmartCom3 Control Panel Installation and User Manual (https://www.reznor.co.uk/wp-content/uploads/2023/12/2a.-704020-SC3ML-Installation-and-Operating-Manual-v3a-Ben-EN-0416-A4F-GBSCOM1200416-1.pdf) for more information on possible causes and solutions.
My smartcom controller isn't working, what can I do to resolve this?
Information on Reznor's range of control panels