Fault Check Procedures
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4)
If the faults exhibited by the camera do not fit into those listed in
the checklists or if advice is required before major board change
work is undertaken, please contact the factory or agent, stating
the serial number and fault symptoms. Marconi Applied
Technologies will be pleased to advise and assist. Note the
factory should be consulted with respect to cameras still under
warranty before any work is undertaken.
Initial Conditions
1)
Fit new batteries, switch on camera.
2)
Select ‘chop’ mode of operation and point camera at a suitable
thermal scene.
Checklist 1
1)
Is there a picture? Yes. Go to Checklist 2.
2)
Is there any battery voltage indication? Yes. Go to Checklist 5.
Switch off camera. Remove battery cartridge and check fuse.
3)
Is fuse blown? Yes. Go to checklist 4.
Check condition and orientation of batteries.
Replace complete battery cartridge with known working unit.
4)
Is there any change to camera condition? Yes. Restart
checklist if any faults remain.
Switch off camera.
Replace complete voltage stabiliser unit if possible, if not
available go the checklist 6.
Checklist 2
1)
Is there any battery voltage indication? Yes. Go to checklist 3.
Remove camera from case and connect to external power
supply. (See case removal and external supply connection
page 32).
2)
Start battery indicator checklist. See page 48 rear fold.
