Chexit makes buzzing sound when armed

RELATED FAQS

Question
Answer
Most common issue listed below: Chexit devices shipped after 8-24-2015 with motor driven. The Green wire is not shoeted to the Red wire if no Access Control system is used.If Access Control is us...
 Chexit devices shipped prior to 8-24-2015 with solenoid driven. The GREEN wire is not shorted to the WHITE if no Access Control system is used.If Access Control system is used,...
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...
For Motor driven Chexit devices shipped from the factory after 8-24-2015, the Chexit Secure Relay Contacts( white and violet wires) change state to signal the device is not secure. Check the f...
For Solenoid driven Chexit devices shipped from the factory prior to 8-24-2015, the following could cause the device not to provide delay egress:Measure the voltage between green and orange wires o...
The NL key override will not open the door while Chexit rim or vertical rod device is in the arm mode.
Make sure the proper power supply (PS873 or PS914) and proper gauge and run wire is used for Chexit devices shipped prior to 8-24-2015 with solenoid driven. Related Solution: What wire&n...
Chexit devices shipped with motor after 8-24-2015. 1. When Chexit device is set for more than zero second rearm time (factory setting is 10 second rearm time) and device goes into alarm immediatel...
Chexit devices shipped with solenoid prior to 8-24-2015. 1.  When Chexit device  is set for more than zero second rearm time (factory setting is 10 second rearm time) and device goes...
 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...
Using the key from the pull side of the door does not retract the latch bolt on a rim or vertical rod chexit device.
CX98/9975 mortise devices will retract the latch bolt when the key is used on the pull side of the door.