doorlock buzzing and red light

RELATED FAQS

Question
Answer
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...
If a magnetic lock is buzzing or noisy it could be the result of an AC component riding on the DC supply voltage. Using a meter, check for AC riding the DC level. If possible test the mag lock wit...
Rattling could be caused by improper mounting of the mounting plate or armature. Make sure all components are properly secured.
 AC-voltage or "noise" on a power line can cause hum. Ensure supply is filtered and regulated 12 or 24 volts.Not a transformer.Also ensure hardware is properly secure eliminating the poss...
Devices were shipped from the factory with motor driven after 8-24-2015. First confirm that you are using PS900 series (902,904,906 or 914) power supply.      1. Mea...
Devices were shipped from the factory with solenoid driven prior to 8-24-2015.  First confirm that you are using a PS873 or PS914 power supply.Measure the DC voltage at the ten wire hardness a...
Chexit devices shipped prior to 8-24-2015 with solenoid driven could cause the Von Duprin CX solenoid to pull and drop and sound the alarm with solid LED or no LED light after the rear...
Inadequate power or wrong gauge wire is used the inrush current demand by CX will overload and shutdown the power supply.  You must use the Von Duprin PS873 or newer PS914 supply.   Related soluti...
When the "RED" LED on the 8310-865 RF Receiver is blinking, it is receiving an RF signal (interference) from a non programmed device. When receiving this type of signal, it will not program correct...