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Chapter 5
Maintenance and Service
57
TROUBLESHOOTING
If the CM1000 fails to operate and no front panel indicators are
illuminated, the internal nickel metal hydride battery may be
discharged. Use the supplied AC adapter to power the unit and
recharge the battery. If the failure persists while using the AC
adapter, call Sunrise for service.
If the internal battery fails to recharge, verify that the AC
adapter is actually sending power to the CM1000. Plug the
AC adapter into the CE4000 RECHARGE input and then
connect the AC adapter to the 115VAC source. Turn the
CM1000 on to test the battery condition and then back off. If
the internal battery fails to recharge, but the AC adapter
delivers power to the CM1000, the battery may be deeply
discharged or damaged. A deep discharge requires a longer
charge time. If the battery is not restored to normal operation
by an eight-hour recharge (unit off), call Sunrise for service.
Firmware Upgrades
Firmware upgrades may be downloaded from the Sunrise web
site at www.sunrisetelecom.com. Complete instructions are
provided at the web site.
CompactFlash Card Replacement
The CE4000 utilizes a removable CompactFlash card for future
expansions and/or firmware upgrades.
Before removing the CompactFlash card, be sure that the
CM1000 is off.
Set the unit on its side on a flat surface with the plug-in module
slot facing upward and the keypad facing you. The memory card
slot is located on the side of the unit just to the right of the keypad
and is protected by a small cover held in place by two Phillips
head screws. Remove the two Phillips head screws and the
protective cover. The memory card will be visible in the slot. A
small rectangular shaped button to right of the memory card will
also be visible. Press this button to eject the memory card from
its slot and then pull the card out of the slot (a pair of tweezers
or needle nose pliers may be helpful).