Terminal Not Receiving ECR Commands
The Maya Terminal is not detected or is not receiving ECR commands
| Field | Details |
|---|---|
| Terminal Model | PAX and SUNMI |
| Description | The terminal is either not being detected by the host (no COM port) or is detected but not responding to ECR commands. |
| Impact | The terminal cannot receive commands and needs manual intervention to process transactions. |
Possible Causes and Fixes
1. Malfunctioning Terminal Cable
Applicable to: PAX, SUNMI
- Try using a different cable:
- SUNMI: Type C
- PAX: Micro USB
2. Defective USB Port
Applicable to: PAX, SUNMI
- Try plugging the terminal into a different USB port on the POS device.
3. COM Port Not Detected (Windows Device Manager)
Applicable to: PAX, SUNMI
- If the terminal does not appear under Ports (COM & LPT):
- Check the USB cable and port.
- Confirm that the terminal driver is installed (PAX only).
4. Terminal Driver Not Installed
Applicable to: PAX
-
Install PAX Driver. For drivers, your Maya relationship manager should be able to provide you with the latest driver.
-
Follow the prompts and screenshots below:
- Use the appropriate installation command:
| PAX Model | Command |
|---|---|
| PAX A920 | USBDriver.exe /install /fixedcom "VID_2FB8&PID_21B5&MI_01=9;VID_2FB8&PID_21B5&MI_03=10" |
5. Incorrect COM Port Configuration
Applicable to: PAX, SUNMI
- Make sure the COM port number in the ECR app matches the detected port in Device Manager.
6. Baud Rate Mismatch
Applicable to: PAX, SUNMI
- Ensure the baud rate settings in the ECR app and POS system are the same.
7. Outdated Firmware or Maya Application
Applicable to: PAX, SUNMI
- Ensure the firmware and Maya app versions are up-to-date.
- Contact Maya Business Support for assistance.
Note
If the issue continues to persist:
- Contact Maya Business Support for a device checkup.
- Include details and screenshots of:
- Device Manager (Ports expanded)
- Maya Terminal Dispaly
- Installed driver window
Updated about 7 hours ago