: The controller board is slow to respond or is malfunctioning. Step-by-Step Troubleshooting Guide 1. Basic Power Cycle
: The Service Program (SP) setting required for panel connection is not activated.
If the value is , change it to "1: Connect" . 3. Inspect Hardware Connections
: Some models use a USB cable to connect the Smart Operation Panel to the controller; ensure it is firmly seated and not damaged.