哥伦比亚采购需求：触摸屏显示器、液晶触摸屏、液晶触摸显示面板、液晶显示模块、无线彩色温控器、智能房间温控器

We've been experiencing several issues with one of our products. The screen is displaying a variety of unconfigured symbols, which has resulted in the unit becoming unresponsive. We're looking for your assistance in diagnosing and resolving this problem. It's crucial for us to get this sorted out quickly as it affects our operations. Please advise on potential solutions or steps we can take to troubleshoot this situation. Thanks for your help!