NAV Invalid
The Nav Invalid message at the top of the Entegra EXP5000 PFD is associated with the autopilot installed. For up-to-date info on this message, please review the DFC90 Pilot Guide, or applicable (other vendor) Pilot Guide. Below is an excerpt from the DFC90 PG:
MSR Fail message on PFD
This is an indication that is generated by the DFC90 autopilot computer. Essentially this fault means the DFC90 is unable to read/write to an internal memory component. This will not affect any of the operation of the autopilot, but will cause the aural alerting to cease. The unit will need to come back to Avidyne…
DFC90 upgrade in Cirrus S-Tec 55X Autopilot installed aircraft
(Informational only - shops must check the aircraft and equipment for confirmation) Do you have a Cirrus Entegra Equipped EX5000 (PFD and MFD) Series and an installed S-TEC55X; and want to upgrade to the DFC90? The DFC90 utilizes the existing Roll Trim Motor, Pitch Servo, and Pitch Trim motors that are presently …
