Zkteco Authentication Failure Solution Best Access

Authentication failure on ZKTeco devices typically occurs due to mismatched firmware/software versions incorrect communication port settings hardware hygiene issues

5. Card Authentication Failure

Best Solution:

1. Defeat "Whiteout" (Direct Sunlight)

IR and visible light cameras get blinded by sun. zkteco authentication failure solution best

Set the verification mode to "FP or Card or PIN". If one fails, the user tries another method. the user tries another method.