< REPAIR GUIDELINE
55
You are welcome to use the MP produced by NEC. In case of any problem of e373 MP in
use, please contact the distributor or NEC repair center. In case of repair, please send your
MP to local repair station (see the Warranty Certificate attached with MP); in case of no
repair station locally, please send your MP and duplicate invoice to the distributor for EMS.
To inquire about the latest repair outlet and replacement center address, please contact 800-
820-7007, or http://www.necmobile.com
5. Repair Guideline
Common problems
Potential causes
Solution
1. Weak signals
Far away from base
station or strong insulation
Get near the windows or
corridors.
2. The screen will display
"no card" or "invalid
card"
Possibly dirty contact pad
of SIM card
Gently clean the contact
pad of SIM card.
3. Backlight constantly
light
Possibly configured
power-on backlight
Re-configure backlight
mode
4. Battery charged full
holds short
Possibly configured
power-on backlight, to
consume high electricity
Re-configure backlight
mode
5. Silent headphone
Possibly configured
minimum volume
Adjust the volume by up/
down volume key
6. Only vibration no ring
upon incoming call
Possibly configure the MP
as Conference Mode
Re-configure "standard
mode"
7. No billing function
(AoC)
No such service of
domestic network at
present
Contact network service
provider
8. Fail to access WAP
network
Possibly wrong WAP
setting
Reset WAP Connection
setting in Phone settings,
or contact network service
provider