entry buzzer decibel

RELATED FAQS

Question
Answer
EB
The motorized M996L trim does operate slightly quieter than its solenoid-based E996L predecessor. You will no longer hear the "click" of the solenoid, as the motor has smooth start and stop o...
The following could cause the Chexit device shipped prior to 8-24-2015 with solenoid driven to go into weak alarm with solid LED light: Wrong power supply- Chexit device requires  a...
Some transformers in the power supplies provide a little humming noise and that is normal. If the humming in Von Duprin PS873 power supply is loud follow these steps. Remove the load from the outp...