System Maintenance Manual

Page 5-52 G1000/GFC700 System Maintenance Manual – C90A/C90GT/C90GTi King Air
Revision G 190-00682-01
Failure Message Cause Solution
DB MISMATCH – Airport Terrain
database version mismatch. Xtalk
is off.
The PFDs and/or MFD have
different Airport Terrain database
versions installed.
• Confirm supplemental data card is
inserted fully.
• Reload the database or replace the
supplemental datacard.
DB MISMATCH – Terrain
database version mismatch.
The PFDs and/or MFD have
different terrain database versions
installed.
DB MISMATCH – Obstacle
database version mismatch.
The PFDs and/or MFD have
different obstacle database
versions installed.
DB MISMATCH – Terrain
database type mismatch.
The PFDs and/or MFD have
different terrain database types
installed (i.e., different regions:
Americas, International, Atlantic,
etc).
5.9.3 Cooling Alerts
Failure Message Cause Solution
MFD1 COOLING – has poor
cooling. Reducing power usage.
MFD1 has exceeded its operating
temperature range.
• Check cooling fan and wiring
for proper operation (if
applicable).
 Replace cooling fan if
unable to determine if
operating correctly.
 If problem persists, replace
the MFD.
• If problem continues contact
Garmin Aviation Product Support
for assistance.
PFD 1 COOLING – has poor
cooling. Reducing power usage.
PFD 1 has exceeded its operating
temperature range.
• Check cooling fan and wiring
for proper operation (if
applicable).
 Replace cooling fan if
unable to determine if
operating correctly.
 If problem persists, replace
the PFD1.
• If problem continues contact
Garmin Aviation Product Support
for assistance.
PFD 2 COOLING – has poor
cooling. Reducing power usage.
PFD 2 has exceeded its operating
temperature range.
• Check cooling fan and wiring
for proper operation (if
applicable).
 Replace cooling fan if
unable to determine if
operating correctly.
 If problem persists, replace
the PFD2.
• If problem continues contact
Garmin Aviation Product Support
for assistance.