After installing your FC-198E, the card OK light will light up, and there will be a relay beating sound on the access control machine, but the electric lock does not open, what is the problem?

Hello, thank you for using our company’s products, FCL-198E has this situation, only 2 situations cause it,

1. There may be a problem with the lock.

2. Wiring error, please carefully check the wiring according to the wiring diagram in the manual. If you have any questions, please report to our company, and we will arrange technical personnel to reply and follow up in time.