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