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14.09.99
S25-gb.fm
Your phone will be reliable unless it suffers from extreme shock or moisture. The
following list should help you identify and remedy problems. In many SIM and net-
work-related instances it may, however, be necessary to call your Service Pro-
vider's Customer Service Helpline.
Problem
Unable to switch
on
No charging
display
Flashing charging
display
'Insert SIM'
is displayed after
fitting it
PIN error
PHONE
CODE error
No connection to
network
Phone loses
network
Calls not
possible
S25,
englisch,
Trouble Shooting
Possible Causes
Empty battery.
Battery contacts dirty.
Battery replacement.
Empty battery.
Battery defective.
Contact problem.
Temperature exceeds
- 10 °C to + 45 °C range.
SIM card not correctly
located.
Damaged SIM card
SIM contact dirty.
3 incorrect entries.
3 incorrect entries.
Weak signal.
Outside GSM coverage. Check Operator coverage map.
SIM not valid.
New network not
authorized.
Weak signal.
Dialling error.
New SIM fitted.
Charge limit reached.
A31008-H3100-A1-3-7619
Possible corrective measures
Charge it. Check charging indication in
display.
Clean contacts (battery and phone).
Repeat switching on and off.
Briefly recharge.
Charge for 2 hours, disconnect and
charge normally.
Battery performance will reduce over
time, replace it when exhausted. Avoid
extreme heat to prolong life.
Check mains socket, and connection to
phone.
Adjust and allow time.
Ensure SIM is correctly orientated and
seated
Make visual check. Return SIM to your
Service Provider.
Clean SIM contacts with a dry cloth.
Enter MASTER PIN (PUK), supplied with
your SIM as instructed. If your MASTER
PIN or PIN are lost, call your Service
Provider.
Contact Siemens Service.
Move higher, to a window or open space.
Call your Service Provider.
Try selecting manually, or try other
network (p. 41).
Reconnection, or connection to another
Operator is automatic. Switching off and
on may accelerate this.
Use full national area code.
Check for new restrictions.
Call your Service Provider, or use PIN 2 to
reset.
55
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