User's Manual Part 3

16: Troubleshooting

9575A User Manual 191190 9575A User Manual

Problem Solution

Phone won’t power

on.

• Did you press and hold the power button

for a minimum of three seconds to turn the

phone’s power on?

• Check the battery. Is it charged, properly

fitted, and are the contacts clean and dry?

You can’t make calls. • Check the antenna. Is it fully extended

and correctly angled? Do you have a clear

unobstructed view of the sky?

• Did you enter the number in international

format? All calls made from the Iridium

satellite system must be in international

format. See “Placing a Call” on page 40.

• Check the signal strength indicator. If the

signal is weak, ensure that you have a clear

line of sight to the sky and there are no

buildings, trees, or other objects interfering.

• Is Restricted displayed? Check the Call

Barring setting.

• Has a new SIM card been inserted? Check

that no new restrictions have been imposed.

• Check to see if your fixed dialing list is

enabled. If so, you can only make calls to

numbers or prefixes that are on the list.

You can’t receive

calls.

• Check to see that your phone is powered on.

• Check the antenna. Is it fully extended

and correctly angled? Do you have a clear

unobstructed view of the sky?

• Check the signal strength indicator. If the

signal is weak, ensure that you have a clear

line of sight to the sky and there are no

buildings, trees, or other objects around.

• Check the Call Forwarding and Call Barring

settings.

• Check the Ringer setting. If it is off, there is no

audible ringer.

• Check to see if your fixed dialing list is enabled.

16: Troubleshooting