Fixing Dynon glass cockpit hardware failures in light piston planes requires a methodical approach that prioritizes professional diagnosis and repair, often through an authorized service center. The Dynon SkyView system, with its integrated design, relies on several key components, and a failure in one can affect the entire system. Common hardware failures include display malfunctions, faulty ADAHRS (Air Data, Attitude, and Heading Reference System) modules, and intermittent power issues.
Common Hardware Failures and Diagnosis
A Dynon glass cockpit’s hardware can fail in various ways, from a complete shutdown to a subtle, intermittent problem.
- Display Issues: The most visible failure is a problem with the display unit itself. This can manifest as a completely blank screen, a screen that freezes, or a screen that exhibits “pink screen of death” or other visual artifacts. Sometimes this is due to a software bug, but it can also be a circuit board failure within the display. In these cases, it’s essential to check the display hardware information in the system’s setup menu, as some older models had a known circuit board issue that requires a factory repair.
- ADAHRS Module Failure: The ADAHRS is a critical component that provides attitude, airspeed, altitude, and heading information. A failure in this module can cause a loss of primary flight data and can be a serious safety issue. Symptoms include a “red X” over the attitude indicator or erratic readings. Troubleshooting this often involves checking for loose connections and ensuring the module is properly grounded and not subject to excessive vibration.
- Power and Grounding Problems: The entire Dynon system relies on a clean, stable power supply. An intermittent power loss or a loose ground wire can cause displays to flicker, reboot, or shut down unexpectedly. Vibration in a piston aircraft can cause connections to loosen over time, and these issues can be particularly difficult to diagnose because they may only occur under specific flight conditions. A thorough inspection of all wiring, fuses, and grounding points is a crucial step in troubleshooting.
Repair and Service Strategies
For complex Dynon hardware failures, especially those involving the internal circuit boards or LRUs (Line Replaceable Units), the most effective repair strategy is to send the component back to Dynon for a factory repair.
- Contact Dynon Technical Support: The first step is to contact Dynon’s technical support. They will have you run a series of diagnostic tests and pull system logs, which can often pinpoint the exact cause of the problem. They may be able to identify a known issue with a specific batch of serial numbers and guide you through the process.
- RMA (Return Materials Authorization): If a component requires a factory repair, Dynon will issue an RMA. The unit is then carefully removed from the aircraft and sent to Dynon’s facility. Dynon is known for its fast turnaround times, and in many cases, a replacement unit is sent back with all settings and licenses intact.
- Professional Installation and Re-configuration: After the repaired or replaced component is returned, a qualified avionics technician will reinstall it. This is not a simple “plug and play” process. The technician must ensure that the unit is properly configured, the software versions are synchronized across all displays, and a network configuration is performed to ensure all components are communicating correctly.
The Aero Center’s Commitment to Dynon Avionics
At The Aero Center, we are specialists in single-engine and twin-piston aircraft, including those equipped with Dynon glass cockpits. Our technicians are highly trained in diagnosing and repairing complex avionics issues. We have the authority and expertise to work with Dynon’s systems and can guide you through the troubleshooting and repair process, ensuring that all work is done to the highest standards.
Our reputation for reliability is built on a commitment to our customers in California, Arizona, and Nevada. As the only 24/7 maintenance center in the region, we are uniquely positioned to minimize your aircraft’s downtime. We understand the importance of having a fully functional and safe avionics system, and we work tirelessly to get you back in the air.
Footnotes:
- https://www.dynonavionics.com/docs/support.html
- https://www.faa.gov/regulations_policies/handbooks_manuals/aviation/phak/media/19_phak_ch17.pdf
- https://vansairforce.net/threads/inflight-dual-dynon-skyview-screen-failure.144675/
- https://www.aviationconsumer.com/accessories/first-word-dynon-installs-hows-it-working/
The Aero Center is located at William J. Fox Airfield KWJF | Lancaster, CA. Contact us at 209.885.6950 for questions or appointments.