Diagnostic report for Audrey terminal touch input failure after power fluctuation. Includes troubleshooting, prevention, and safety measures.
Determining the touchscreen type helps narrow down potential failure points.
Knowing about other issues can point to a broader hardware or software problem.
Warranty status affects repair options.
Touchscreen functionality relies on capacitive or resistive sensing. Power fluctuations can introduce voltage spikes potentially damaging the touch controller IC or affecting the calibration data stored in EEPROM. Environmental electrostatic discharge (ESD) can also degrade touchscreen performance. Baud rate mismatches with the host can impact communication.
Audrey terminal touch input unresponsive. Reported fault occurred following a power fluctuation. Suspected calibration issue.
Electric shock hazard. Always perform Safe Handling (unplugging) of the terminal before cleaning or inspecting cables. Avoid using excessive moisture when cleaning to prevent electrical shorts. Static electricity can damage electronic components. Ground yourself before touching any connectors. DO NOT OPEN THE DEVICE CASING due to anti-tamper mechanisms which will permanently disable the device. Opening the device will violate PCI-PTS security requirements.
Implement a regular cleaning schedule for the touchscreen using approved cleaning solutions.,Ensure proper grounding in the checkout area to minimize ESD risks, especially during dry winter months.,Use surge protectors or UPS (Uninterruptible Power Supply) to protect the terminal from power fluctuations.,Avoid placing objects on the touchscreen that could cause pressure or damage.,Train staff on proper handling and cleaning procedures for the terminal.
Try using a stylus designed for capacitive touchscreens. If the stylus works but fingers do not, it strongly indicates a surface contamination issue or weakened capacitive coupling due to ESD damage. Some terminals have a hidden diagnostic menu accessible through a specific key combination at boot; consult the Audrey terminal's service manual (if available) or contact support for the correct sequence.