Aspen Avionics EFD1000 Error 8500: Altitude Caution

EFD1000 Primary Flight Display · taken from the manufacturer’s manual, pages cited

Error code8500

The Altitude Caution indicates the aircraft is reaching or deviating from the preset altitude. The manual's first action is: “May be accompanied by a one-second steady tone from an optional tone generator.”

Model
Aspen Avionics EFD1000
Display shows
Altitude Caution (8500)
Type
Error code
Source
Manual p. 215

What 8500 means

Altitude Caution p. 215

Common causes

  • the aircraft is reaching (steady) or deviating (flashing) from the preset altitude. p. 215

What to do

  1. May be accompanied by a one-second steady tone from an optional tone generator. p. 215

Before you service the product, read the safety instructions in the manual p. 53.

If 8500 is still not resolved

  • The pilot should follow the electrical failure checklist in the Aircraft Flight Manual land as soon as possible. p. 204
    “The pilot should follow the electrical failure checklist in the Aircraft Flight Manual land as soon as possible.”
Open the manual at page 215 All EFD1000 error codes Manual details & download

This page summarises what the manufacturer’s manual says about 8500; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Aspen Avionics. Found a mistake? Report an error.