UTStarcom UT618, User Manual

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12
Maintenance and
Troubleshooting
12. Maintenance & Troubleshooting
12.1 Phone Maintenance
•
Use a soft dry cloth for cleaning to wipe off any accumulated dust or fingerprints.
•
Use a soft cloth dampened in water for cleaning to wipe off any heavily accumulated
dust and dirt.
•
Do not use harsh chemicals, cleaning solvents or strong detergents to clean the phone.
12.2 Troubleshooting
Symptom Diagnosis Refer to
Chapter No
Is the battery installed? Ch 1
Is the battery power low? Ch1
Did you press for 2 seconds or more?
Ch1
Cannot power on
Is the battery connection reverse, than mentioned in the
manual Ch1
Is the phone outside the service area?
Is the phone in the standby mode? Ch2
Is the dialed number correct?
Cannot make calls
Line is busy. Please redial later.
Ch2
Have you moved out of the service area or a place where is
no signal (sound warning beep) Ch2
Is the battery power low? Ch2
Is there an obstacle surrounding you that is preventing
signals to pass?
Communication
Interruption. The call
reception is bad (Static,
sound cuts in/out, fades
etc.)
Using the phone in moving vehicle?
Is the ringer turned off? Ch2 No ringing
Is the ringer volume too low
Cannot make calls and Is the phone keypad locked? Ch2