FlightMax Entegra - Avidyne

Field Level Troubleshooting Guide• Maintain stabilized flight conditions for several minutes. If the condition clears itselfand presents a displayed heading again, expect a nominal heading system.• If the condition did not clear itself in flight, once accessible on the ground, connectthe mag sniffer to the wing-mounted magnetometer to attempt to determine itshealth.• If magnetometer fails the sniffer test, remove and replace the magnetometer.5.1.4.4 Other Comments• None5.2 Box Level Loss of Function In-Flight5.2.1 Display Goes Blank In-flight5.2.1.1 Symptom(s)• PFD suddenly blanks out in-flight and is non responsive to the BRT/DIM rocker keybut line select keys still lit by green LEDs.• PFD suddenly blanks out in-flight and is non responsive to the BRT/DIM rocker keyand line select keys are no longer lit by green LEDs.5.2.1.2 Cause• For the first symptom, an internal failure of the display or its back lighting.• For the second symptom, a power failure to the PFD unit.5.2.1.3 Workaround (if any)• None5.2.1.4 Corrective Action• Ensure PFD brightness controls are not set to dimmest positions.• Attempt to change the position of the aircraft dimming rheostat(s) to ensure they arenot set to a excessively dimmed value.• Once on the ground, cycle PFD power and note unit behavior.• If still unacceptable, Remove and replace the PFD5.2.1.5 Other Comments• A future software release will record brightness and power settings to be used indiagnosis of the problem.5.2.2 Bezel Knobs or Buttons Inoperative5.2.2.1 Symptom(s)• Bezel BRT/DIM rocker key appears non-functional.• Labeled bezel knobs appear non-functional.• Labeled bezel line select keys appear non-functional.P/N 600-00103-000 Rev: Draft 00-F Date: 12/04/03Page 30 of 47