Technical information

Technician’s Handbook
118
Flowchart 2: The System is Not Booting Up
Is the main
controller card
numeric display
flashing EE followed by
an error code (2-digit
number)?
Yes
C
No
No
Is the
main controller card
numeric display
continuously alternating
codes B0 and B1?
Yes
Mass storage system is faulty.
Check for faulty connections to the
hard disks.
Power off the plane and then power
it on again.
Next, try loading the system
software from RSD. If you can’t load
the software from RSD, see
Removing and Replacing a Faulty
Hard Disk on page 143.
Flowchart 2:
System is not
booting up
Reload the software (hold down the
PANEL ENABLE button and press
the RESET button of the affected
plane). If the problem persists,
replace the main controller card.
See Replacing a Main Controller
Card on page 147.
On redundant systems, set
ACTIVITY FREEZE to “on”.