TROUBLE SHOOTING
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BusinessPhone 250 - Portable DT288
BusinessPhone 50 - Portable DT288
TROUBLE SHOOTING
GENERAL This section contains information on how to solve common
operational problems, and warnings you may receive.
TROUBLE SHOOTING Go through the following lists if you encounter any problems.
If this checklist does not solve the problem, contact your
system administrator. If others have similar problems, there
may be a system error.
Fault check list Fault
Probable cause
Action & Comment
No display
Battery low or portable defect
Charge battery
Display shows ”Connect battery”
Battery not properly fit or defect
Check battery or contact system administrator
No ringing
Ringer off icon on or portable defect
Off icon on=Adjust volume
Signal strength icon off
Out of coverage area, system or portable defect
Enter coverage area or contact system
administrator
Battery icon flashes slowly
Battery low
Charge battery
Call icon on for 2 seconds
Portable defect
Contact system administrator
Battery icon on
Charging complete, charger still connected
Disconnect the charger
(continued)
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