This is informational use only, all inquiries regarding the Auto Pilot issue below must be referred to Cirrus. Issue: shop is able to save Auto Pilot as "Not Installed". Workaround: None, this is required by Cirrus NOTES: Cirrus requires the PFD validate the configuration options, and only allow the options tha…
When these diodes go bad, the indication is typically a "PFD Not Communicating" message on the MFD, and loss of engine data on the PFD, assuming both are properly configured.
This should be tested using a variable DC power supply, connected as displayed in the image below: Once connected, begin at 0VDC and slowly increase voltage until the servo begins to respond. That will be your "start-up voltage." DFC90 Servo Start Up Voltages Roll Servo should be less than 3VDC Pitch Servo…
When reinstalling the PFD or the MFD, refer to the aircraft installation guides for the pin connectors. Assuming the connectors on a replaced or repaired unit are incorrect, will delay your re-installation of the unit and delivery back to the pilot. For example, Connector J731 is on the back side of the PFD in thi…