When shutting off a breaker box make sure you have shut down all computers and machinery properly.
Emergency lights on exit sign not working.
If the battery is dead open the exit sign and take note of the.
Replacing bad emergency or exit sign batteries.
Exit signs are simple devices that you can normally be examine and repair quickly and easily.
Exit signs use nickel cadmium nicad emergency light batteries that are smaller than the lead acid batteries within emergency lights.
To ensure continued illumination for a duration of not less than 90 minutes in case of primary power loss the sign illumination means shall be connected to an emergency power system provided from storage batteries unit equipment or an on site generator.
If the battery isn t the problem consult your manual and check the simple things first.
For instance make sure the bulb is tightly connected and that your wire nuts aren t loose.
The exit lights that only come on during power failure are connected to the main electrical supply that constantly charges the battery.
Perhaps the easiest sign to mount is the self luminous exit sign which is powered by tritium.
The signs require troubleshooting as soon as anything starts to go wrong with them.
If it does not light up for the entire thirty seconds you have a bad exit sign battery.
Checking multiple emergency or exit sign for bad batteries.
Test it in another unit or a dedicated charger to ensure that the charger isn t the problem.
1910 37 b 4 if the direction of travel to the exit or exit discharge is not immediately apparent signs must be posted along the exit access indicating the direction of travel to the nearest exit and exit discharge.
A self luminous tritium exit sign does not require connection to the building power source or generator because it is self luminous.
Step 1 check the power source if the light is out.
Electrical led exit signs install using 120 or 277v power and feature a battery backup system similar to emergency lights.
Each exit route door must be free of decorations or signs that obscure the visibility of the exit route door.
To check multiple exit signs all at once if it is convenient shut off the power and verify that all lights stay lit for 30 minutes.