Self-testing notification appliance

A method of testing a notification appliance including a notification emitter, a verification circuit, and a controller, the method comprising:

• emitting a visual fire alarm from the notification emitter based on a control signal from the controller;
• detecting at least a part of the visual fire alarm with a notification sensor included in the verification circuit;
• and
• sending a verification signal indicative of the detection to the controller.

A notification system including a fire alarm control panel and a plurality of self-testing notification appliances, the notification system comprising:

• a controller configured to send a power signal and a control signal to a notification appliance of the plurality of self-testing notification appliances;
• wherein each of the plurality of self-testing notification appliances comprises:
• a strobe configured to output an amount of light based on the control signal;
• and
• a verification circuit including a photodiode configured to detect the amount of light from the strobe based on the control signal, the verification circuit configured to interrupt the power signal if the amount of light from the strobe is below a threshold.