STATUS SCIENTIFIC CONTROLS
Installation, Commissioning & Routine Gas Testing
FGD10A-M Gas Detector
TD18/032
Issue:
10
Change Note:
1869
Page 103
13.
F
USES
A 1Amp anti-surge fuse, housed within a surface mounted holder, is located
within the FGD10A-M to prevent overloading of the electronic circuitry in the
event of an internal fault.
In the event of the internal fuse blowing, access can be gained using the
following procedure:
1. Switch OFF the supply to the FGD10A-M.
2. Release the grub screw located near the lip of the enclosure
cover.
Note: It is not necessary to remove the grub screw to release
the enclosure front cover.
3. Remove the enclosure front cover by rotating it several times in
an anti-clockwise direction.
4. Unplug the display board from within the enclosure.
5. Remove the 3 screws located around the edge of the next
board.
6. Unplug this board.
7. The surface mounted fuse holder can now be located on the
board below. Replace only with a fuse of the same type and
rating:-
1Amp
Antisurge ‘Nanofuse’ (SSCL Code: 160153)
Assembly is the reverse of the above procedure.