Why does the Siren make additional beeps on disarming?This is because the Siren has low batteries. Change batteries with new alkaline replacements. Related Posts Why does the Siren make an interrupted tone when sounding an alarm? I am installing my Yale siren-based alarm, but I can’t disable the siren tamper. Why is this? I am installing my Yale Standard alarm, but I can’t disable the siren tamper. Why is this? How do I turn off the confirmation/entry sound beeps from the siren? My siren is making extra beeps when armed/disarmed Why does my alarm keep triggering for no reason?