Why is my mag lock buzzing?

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 with 12  or 24  batteries. If the noise is eliminated with batteries it confirms that noise is an AC component is riding the DC.



Rattling could be caused by improper mounting of the mounting plate or armature. Make sure all components are properly secured.


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