To know if the battery is bad in your exit sign push the test button on the bottom edge of the exit sign and hold for thirty seconds a broom handle comes in handy for this.
Exit sign light not working.
The signs require troubleshooting as soon as anything starts to go wrong with them.
Step 1 check the power source if the light is out.
Exit signs are simple devices that you can normally be examine and repair quickly and easily.
Replacing an exit sign is a fairly straightforward do it yourself job if you have a bit of experience with electrical work.
In some larger buildings emergency power to exit signs and emergency light fixtures is provided by an emergency generator.
Led exit signs last for decades without burning out making this a convenient upgrade.
Therefore an exit sign that appears to be working normally may not work at all during a power failure because the low voltage bulbs have burned out.
If it does not light up for the entire thirty seconds you have a bad exit sign battery.
In some larger buildings emergency power to exit signs and emergency light fixtures is provided by an emergency generator.
Keeping emergency exit signs in working order is a high priority.