Card Reader Communication Loss

What does Card Reader Comm mean?

Indicates no communication with the card reader for more than 5 minutes. This prevents the machine from processing card payments, disabling cashless transactions.

• Loss of communication between the controller and the card reader for an extended period.

Click steps to track your progress.

1. 1

   Verify supply voltage at the card reader's power input terminals against specified nominal values.

2. 2

   Inspect all data and power cables connecting the card reader to the elevator control unit for physical damage, loose connections, or improper seating.

3. 3

   Check the elevator control system's diagnostic interface or configuration menu for card reader communication status and relevant network/device parameters.

4. 4

   Observe the status indicator LEDs on the card reader module for power, communication activity, and any error indications.