Emergency lighting device and control method thereof

The invention relates to an emergency lighting device and a control method thereof. The emergency lighting device includes a housing, a light emitter positioned in the housing, a control circuit positioned in the housing and operably connected to the light emitter, an indicator lamp positioned in the housing, and a fault indicator circuit positioned in the housing and operably connected to the indicator lamp. The fault indicator circuit is configured to monitor the light emitter, analyze activation of the light emitter, and activate the indicator lamp based on the analysis of the activation of the light emitter. 本申请涉及一种应急照明装置及其控制方法。所述应急照明装置，包括：外壳，定位在外壳中的光发射器，定位在外壳中并且可操作地连接至光发射器的控制电路，定位在外壳中的指示器灯，以及定位在外壳中并且可操作地连接至指示器灯的故障指示器电路。故障指示器电路配置为：监测光发射器，分析光发射器的启动，以及基于对光发射器的启动的分析启动指示器灯。