для Cisco Headend System Release 2.7
Chapter 5 Troubleshooting
116
736107 Rev D
Symptom
Possible Solution
DHCT stuck, displaying the
following constantly:
dIAG
1
Force a download by following these steps:
a
Unplug the SSC DHCT power cord from the
power receptacle.
b
Plug the SSC DHCT power cord into the power
receptacle while pressing the SELECT and
POWER buttons at the same time (on the
DHCT front panel).
2
If these steps do not work, return the SSC DHCT to
us for repair. Mark the repair tag with D4. Unit
Stuck in dIAG.
DHCT stuck in brick mode,
displaying the following
constantly:
– – – – (four dashes)
1
Follow these steps:
a
Confirm that the CableCARD module MAC
address matches the billing MAC address and
that the CableCARD module is authorized for
service.
b
Ask the DNCS operator to correct any
mis-match and send a hit to the CableCARD
module.
2
See PowerKEY/EA Issues (on page 127) for more
information.
3
If these steps do not work, return the SSC DHCT to
us for repair. Mark the repair tag with one of the
following:
–
–
S2. Stays in Brick Mode (– – – –)
–
S1. No EMMs/ISE/EA
Front panel LED displays
for 1 second
before the DHCT reboots
The Cyclic Redundancy Check verification on the
Bootloader code failed. You might be able to stage
the DHCT, but the DHCT might not accept an OS
upgrade in the future.
Return the DHCT to us for repair. Mark the repair
tag with D7. Error Code (BRXX, ERXX, or XXXX).
Front panel LED displays
for 5 seconds
before the DHCT reboots
The test of the internal DRAM failed:
If the condition was a one-time occurrence, after
rebooting the DHCT, the DHCT boots correctly
into the OS and resident application.
If this problem continues, the DHCT reboots
continuously and display this message. Return the
DHCT to us for repair. Mark the repair tag with
D7. Error Code (BRXX, ERXX, or XXXX).
Card Status on CableCARD
Information diagnostic
screen shows Reset
1
Power cycle the SSC DHCT.
2
Contact Cisco Services.