Bill Validator Communication Loss

What does Bill Val Comm mean?

Indicates no communication with the bill validator for more than 5 seconds. This issue prevents the machine from accepting banknotes, making it inoperable for cash transactions.

• Loss of communication between the controller and the bill validator for more than 5 seconds.

Click steps to track your progress.

1. 1

   Inspect all physical communication cables between the bill validator and the host control system for damage, proper seating, and secure connections.

2. 2

   Verify the supply voltage at the bill validator's input terminals against the manufacturer's specified nominal voltage.

3. 3

   Check the communication parameters (e.g., baud rate, device address, protocol settings) in the host control system to ensure they match the bill validator's configuration.

4. 4

   Observe any status indicator LEDs on the bill validator itself to assess its power status and internal communication state.