Chapter 5 About Float-free Capsule 
 
87 
3.  The test results judge by the LED that is the top of storage module. If the LED blinks only once, 
the test is pass. 
 
 
Table 5-2 Error message by LED blinking 
Number of flashing  Fault indication 
1  None 
2  Low power on 406MHz transmitter 
3  Low battery voltage 
4  Low power on 121.5MHz transmitter 
5  PLL on 406MHz transmitter out of lock 
6  PLL on 121.5MHz transmitter out of lock 
7  EPIRB module not programmed or programming not complete 
 
4.  If the test is pass, release the switch and fit the front cover.