Cisco Headend System Release 2.7 Maintenance Manual
DHCT Errors
4024836 Rev D
125
Symptom
Equivalent Possible Solution
Single-LED DHCT:
POWER LED blinks
twice, pauses, repeats
(continuously)
Triple-LED DHCT:
Triple-LED DHCT:
LEDs blink three times,
rotate left, repeats
(continously)
r.xxx -
DHCT will
not
download,
stays in
hunt mode
1
Force a download by following these
steps:
a
Unplug the DHCT power cord from
the power receptacle.
b
Plug the DHCT power cord into the
power receptacle while pressing and
holding the POWER button until
either the POWER LED (on single-
LED DHCTs) or the REMOTE LED
(on triple-LED DHCTs) begins
blinking.
c
Press the POWER button again so the
LED blinks faster. In a few seconds,
the DHCT will begin downloading
code.
2
If a known good DHCT of the same type
and revision does not download, contact
your DNCS operator to resolve the
network issue.
3
If these steps do not work, return the
DHCT to us for repair. Mark the repair
tag with D2. Unable to Connect to
Network.
DHCT continuously
reboots
N/A
1
Power cycle the DHCT.
2
If these steps do not work, return the
DHCT to us for repair. Mark the repair
tag with D5. Constantly Resets / Reboots.