Enag F 3645 - Troubleshooting

06715DAF
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5.4 TROUBLESHOOTING
5.4.1 Switch on 0
 The led functioning on emergency battery remains switched off.
 Check the presence of voltage at the input terminals, the state of the F5 and F6
fuses.
 The voltmeter does not show the stand-by battery vol
tage.
 Check the presence of voltage at the input terminals, the state of the F3 and F4
fuses.
.
5.4.1 Switch on 1
 The led main source presence remains switched off.
 Check the presence of voltage at the input terminals, the state of the F1 and F2
fuses.
 The led main source presence is lit and the led functioning on main source remains
switched off.
IF OPTION A : priority to the stand-by source. Use of the control PCB in U4 on the
PAL REF GMDSS24A
- The led functioning on stand-by source is lit.
 Check the voltage of the main source.
 Check the stand-by battery test is not running.
- The led functioning on emergency source is lit.
 Check the voltage of the main source and the stand-by source.
IF OPTION B : priority to the emergency source. Use of the control PCB in U4 on the
PAL REF GMDSS24B
- The led functioning on emergency source is lit.
 Check the voltage of the main source.
- The led functioning on stand-by source is lit.
 Check the stand-by battery test is not running.
 Check the voltage of the main source and the emergency source.