Page D-38
G900X/G950 Installation and Maintenance Manual – Troubleshooting
Revision D
190-00719-00
Miscellaneous Alerts (continued)
Message
Cause
Solutions
DATA LOST – Pilot stored
data lost. Recheck settings.
Pilot stored data has been
lost.
•
If the CLR key was held during a
power cycle, disregard message.
•
Cycle power to PFD1:
−
Ensure CLR key is not stuck on
the GDU TEST page.
−
If problem persists, replace
PFD1.
MFD1 SERVICE – needs
service. Return unit for repair.
The system has
determined the MFD
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.
−
If the CCFT levels are not above
50, apply light to the photocell
and observe if the CCFT level
rises.
−
If the CCFT level rises,
disregard the message.
−
If the CCFT level does not rise,
replace the MFD.
•
Replace the MFD.
PFD1 SERVICE – needs
service. Return unit for repair.
PFD2 SERVICE – needs
service. Return unit for repair.
The system has
determined PFD1 or PFD2
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.
−
If the CCFT levels are not above
50, apply light to the photocell
and observe if the CCFT level
rises.
−
If the CCFT level rises,
disregard the message.
−
If the CCFT level does not rise,
replace the PFD.
•
Replace the PFD.
