G1000 / GFC 700 System Maintenance Manual - 300/B300 Series King Air
Page 5-51
190-00716-01
Revision 1
Failure Message
Cause
Solution
MFD1 SERVICE – needs service.
Return unit for repair.
The G1000 has determined MFD1
needs service.
•
Ensure the MFD connector is
fully seated and locked.
•
If the unit was started in a very
dark environment the photocells
may not have enough light to
initially raise the CCFT level.
Go to the GDU STATUS page
in configuration mode, ensure
CCFT CRNT 1 & 2 levels are
above 50.
9
If the CCFT levels are not
above 50, apply light to the
photocell and observe if the
CCFT level rises.
9
If the CCFT level rises,
disregard the message.
9
If the CCFT level does not
rise, replace the MFD
•
Replace the MFD
PFD 1 SERVICE – needs service.
Return unit for repair.
The G1000 has determined
the specified PFD needs
service.
•
Ensure the PFD connector is
fully seated and locked.
•
If the unit was started in a very
dark environment the photocells
may not have enough light to
initially raise the CCFT level.
Go to the GDU STATUS page
in configuration mode, ensure
CCFT CRNT 1 & 2 levels are
above 50.
9
If the CCFT levels are not
above 50, apply light to the
photocell and observe if the
CCFT level rises.
9
If the CCFT level rises,
disregard the message.
9
If the CCFT level does not
rise, replace the PFD
•
Replace the PFD.
PFD 2 SERVICE – needs service.
Return unit for repair.
PFD 1 VOLTAGE – PFD 1 has
low voltage. Reducing power
usage.
The specified PFD supply
voltage is low.
•
Check input voltage to PFD.
•
If input voltage is ok, replace
PFD.
PFD 2 VOLTAGE – PFD 2 has
low voltage. Reducing power
usage.
MFD1 VOLTAGE – MFD1 has
low voltage. Reducing power
usage.
The MFD supply voltage is
low.
•
Check input voltage to MFD.
•
If input voltage is ok, replace
MFD.
Summary of Contents for Cessna Caravan G1000
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