The fire emergency lights kept flashing
when the emergency light source is short circuited or the light source is open, the malfunction indicator lamp flashes with 1Hz frequency to alarm the sound.
when the DC pipe is open, the alarm sound will also be generated, and the light indicator of the fire emergency lamp panel will flash at the frequency of 1Hz;
At this point, breaking power or troubleshooting can be cut off.
The battery is not installed (battery connector contact), the short circuit of the battery or battery failure, yellow fault emergency lamp panel of lights flashing at a frequency of 3Hz, and sends alarm sound, with sound once per minute, each alarm duration
