Hughes Network Systems GMH2000, Installation And Maintenance Manual, Page: 86 / 105

4-6 • Troubleshooting 8018653 1.1
Start
Reset the GRP via the front
panel switch.
Problem
solved?
Yes
No
System is
operational.
Write the Error Code on the malfunction
report, then refer to chapter 5,
"Maintenance," section "Replacing BSC
circuit modules" to replace the GRP.
Check LAN connections for
proper termination.
Problem
solved?
Yes
No
System is
operational.
Check chassis ID to verify that you don't
have two BSC chassis with the same ID.
Problem
solved?
Yes
No
System is
operational.
SUDs
completed
properly?
Yes
No
Try downloading
the online
software again.
Problem
solved?
Yes
No
System is
operational.
Remove malfunctioning
GRP from the BSC
chassis; wait 30
seconds, then install it
back into its slot.
Perform the steps listed in section 4.3,
"Startup diagnostics procedure."
Problem
solved?
Yes
No
The ramdisk was
corrupted. System
is now operational.
Refer to chapter 5,
"Maintenance," section
"Replacing BSC circuit
modules" to replace
the GRP.
Problem
solved?
Yes
No
Refer to chapter 5, "Maintenance", section "
Replacing BSC chassis assembly." to
replace the BSC chassis.
Install the original GRP.
Then remove all
modules from BSC
chassis except the
suspect GRP.
Problem
solved?
Yes
No
Problem is being
caused by a bus
conflict with another
module. Install modules
back into the BSC
chassis one at a time
until the problem
recurs. When that
happens, remove the
board causing the
conflict and replace it.
System is
operational.
Flowchart 4-5. You are unable to download the online software