
190-00600-01 Rev. C
Garmin G1000 Cockpit Reference Guide for the Cessna Citation Mustang
60
Annunciations & Alerts
MFD & PFD Message Advisories (Cont.)
Message Comments
PFD1 COOLING
– PFD1 has poor
cooling. Reducing power usage.
The PFD and/or MFD is overheating and is
reducing power consumption by dimming
the display. If problem persists, the G1000
system should be serviced.
PFD2 COOLING
– PFD2 has poor
cooling. Reducing power usage.
MFD1 COOLING
– MFD1 has poor
cooling. Reducing power usage.
PFD1 KEYSTK
– PFD1 [key name]
Key is stuck.
A key is stuck on the PFD and/or MFD bezel.
Attempt to free the stuck key by pressing it
several times. The G1000 system should be
serviced if the problem persists.
PFD2 KEYSTK
– PFD2 [key name]
Key is stuck.
MFD1 KEYSTK
– MFD [key name]
Key is stuck.
CNFG MODULE
– PFD1
configuration module is inoperative.
The PFD1 configuration module backup
memory has failed. The G1000 system should
be serviced.
PFD1 VOLTAGE
– PFD1 has low
voltage. Reducing power usage
The PFD1 voltage is low. The G1000 system
should be serviced.
PFD2 VOLTAGE
– PFD2 has low
voltage. Reducing power usage
The PFD2 voltage is low. The G1000 system
should be serviced.
MFD1 VOLTAGE
– MFD1 has low
voltage. Reducing power usage
The MFD voltage is low. The G1000 system
should be serviced.
Database Message Advisories
Message Comments
MFD1 DB ERR
– MFD1 aviation
database error exists.
The MFD and/or PFD detected a failure in
the aviation database. Attempt to reload the
aviation database. If problem persists, the
G1000 system should be serviced.
PFD1 DB ERR
– PFD1 aviation
database error exists.
PFD2 DB ERR
– PFD2 aviation
database error exists.
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