Blue Sky Network Iridium C-1000A, Installation Manual

Page: 33 / 45

December 2006
Blue Sky Network
100115
C-1000A Iridium™ Satellite Phone System
Page 29
System Troubleshooting
Component troubleshooting is limited to identifying and replacing the failed unit. The
following table will help with system troubleshooting.
Problem Probable Cause Corrective Action
Circuit Breaker Trips
1. Short circuit in wiring harness.
2. Modem
Unit failure
3. Cabin Unit failure
1. Correct wire harness
2. Replace Modem Unit
3. Replace Cabin Unit
Background Noise
1. Microphone picking up
background noise from aircraft.
1. Use headset with noise canceling
microphone.
Busy Signal on
Analog phone
1. Motorola Digital Handset in -use 1. Wait until line is free
Low Signal Strength
1. Blocked view of satellite
2. Loose antenna cable connection
3. Wrong antenna cable –excess
cable signal loss
4. Damaged antenna cable
1. Move aircraft to open area
2. Check and tighten antenna cable
connections
3. Is this correct antenna cable? Has
it worked before? Replace cable.
4. Replace cable.
Phone won’t work
1. Motorola Digital phone turned
off. (Display on Motorola Digital
Phone?)
2. Analog phone left off-hook
3. Dial tone in Analog phone? Line
connected?
4. Check “Can’t complete a call”
section below
1. Use Motorola Handset to Turn
phone on or reset circuit breaker
2. Hang-up analog phone and reset
power on system
3. Check connections to Analog
phone. Check Modem Unit
connections. Check wire harness.
4. See below
Can’t complete a call
1. Antenna Signal strength.
2. Obstructed view of the satellites
3. Error dialing number
4. You are in a restricted area
(Poland, Hungary, N Korea, N
Sri Lanka)
5. SIM Card improperly inserted or
not working
6. Phone is locked or blocked.
7. Internal software error
1. See “Low Signal Strength” above
2. Move aircraft to open area or wait
a few minutes and retry.
3. Dial using correct international
format: 00-Country Code-Area
Code-Phone Number
4. Move out of restricted area
5. Check SIM card
6. See previous section on
Motorola
Digital Handset Messages
7. Reset power on phone system
Can’t receive call
1. Antenna Signal strength.
2. Obstructed view of the satellites
3. Error dialing number
4. You are in a restricted area
(Poland, Hungary, N Korea, N
Sri Lanka)
5. SIM Card improperly inserted or
not working
6. Phone is locked or blocked.
7. Internal software error
8. Check “Call Forward” or “Call
Barring” options selected
9. Check Ringer setting
1. See “Low Signal Strength” above
2. Move aircraft to open area or wait
a few minutes and retry.
3. Dial using correct international
format: International Access Code-
Ten Digit Iridium Phone number
4. Move out of restricted area
5. Check SIM card
6. See previous section on
Motorola
Digital Handset Messages
7. Reset power on phone system
8. See Motorola Owners Manual and
previous section on Motorola
Digital Handset Messages
9. Make sure handset ringer is turned
ON