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Operator Manual
Issue 1
TIL – Eng – Spec – 080
Page 52 of 70
SeaHub
7.4.2. Checking/replacing the DC Main Output Power (+28V Supply) Fuse
Use this section if there is no +28V (
±
5%) power from either Port C or D, or the 4mm Power Sockets on
the rear of the unit (assuming the power selection jumpers are set correctly).
9) Unplug the SeaHub unit from any power sources.
10) Follow the steps described in section 7.1 to open the
housing.
11) Locate fuse holder “F1” on the PCB.
12) Use a continuity tester to determine if the fuse has blown.
13) If the fuse has not blown contact
Tritech
technical support
for further assistance.
14) If the fuse has blown, use a screw-driver to carefully
remove it from its holder (the body of the fuse is glass!), and
replace with a “
2A 250V 20
×
5mm Quick-Acting (F)
” fuse
15) When done, fully close up the SeaHub unit, reversing the
steps described in section 7.1.