Garmin Diamond DA 40 Maintenance Manual

Also see for Cessna Caravan G1000: Cockpit reference guide Pilot's guide Pilot's guide Pilot's guide Pilot's guide

Contents

Garmin Diamond DA 40 Maintenance Manual Manual pdf 76 page image

Page 5-14 G1000/DA40 System Maintenance ManualRevision 6 190-00303-035.8 GIA Alert Messages5.8.1 COM AlertsFailure Message Cause SolutionsCOM1 SERVICE – COM1 needsservice. Return unit for repair.The system has determinedCOM1 needs service.Replace GIA1 according to instructions inSection 6.COM2 SERVICE – COM2 needsservice. Return unit for repair.The system has determinedCOM2 needs service.Replace GIA2 according to instructions inSection 6.COM1 PTT – COM1 push-to-talkkey is stuck.The COM1 external push-to-talk(PTT) switch is stuck in theenabled (or “pressed”) state.Press the push-to-talk switch(s) again tocycle its operation.Check push-to-talk switch(s) and wiring.Check GIA1/GMA 1347 interconnect.Switch GIA1 and GIA2, to identify whetherthe unit or connectors/wiring is at fault(Both GIAs must be configured whenswapped; see Section 7.3):9 If problem follows the unit,replace GIA1.9 If problem persists replacedefective GMA 1347.COM2 PTT – COM2 push-to-talkkey is stuck.The COM2 external push-to-talk(PTT) switch is stuck in theenabled (or “pressed”) state.Press the push-to-talk switch(s) again tocycle its operation.Check push-to-talk switch(s) and wiring.Check GIA2/GMA 1347 interconnect.Switch GIA1 and GIA2, to identify whetherthe unit or connectors/wiring is at fault(Both GIAs must be configured whenswapped, see Section 7.3.2):9 If problem follows the unit,replace GIA2.9 If problem persists replacedefective GMA 1347.