EMS Sky Connect Series Installation Manual page 58

Description of Problem
Tracker system light pulses, and goes solid,
but winks off every five seconds. It
continues to pulse, then goes solid
followed by the wink off without any pause
(constantly trying to transmit).
Possible Causes
No communication is being made with the
Iridium Network.
Verify Signal Strength using Tracker Setup
Program.
Verify unit is outside, clear of obstructions
(hangars).
Verify customers service plan is fully
activated with Service provider.
Verify that Inmarsat system, if on aircraft is
deactivated or properly filtered.
Verify cable length and type is appropriate
to achieve not more than 3dB loss at 1.6
GHz.
Check antenna placement on aircraft to be
free of obstructions or shadowing.
Verify SIM Card PIN is deactivated. SIM
comes de-pinned from factory, but a
change in SIM card in the field can cause
problems.
Check all antenna connections and cable.
Contact the Factory.
5 - 2
1616-964-12
Date: 7/27/2011
Rev. 2.1