This article is relevant for LMS customers that have a the KAS-LMS hotel lock software system.

• Black wall reader - Access Control Reader - situated on the wall for card swipe

• Stainless steel box with power control - Access Control Module - suited inside in wall cavity to power the wall reader.
  

To check if there is power going to the module, a flashing red light is emitted on both ACR access control reader and ACM access control module in normal operation.

Use the following table to help diagnose the problem.