Editorial Note: This article is written with editorial review and topic relevance in mind.
空调显示h4是系统异常的意思。 1、出现h4标识，有可能是空调 制冷剂 缺乏，可以打电话叫空调维保人员加制冷剂。 2、也有可能是空调内机的过滤网被堵塞，检查看看，如果有异物堵塞过.
Birmingham City teenager Brandon Khela has bright future ahead of him
