General Fault Isolation; Visual Inspection - GE ApexPro Service Manual

Troubleshooting

General fault isolation

Visual inspection

Area
I/O connectors and
interface cables
Internal harnesses and
cables
Circuit boards
Ground wires/wiring
6-2
A thorough visual inspection of the equipment can save time. Small things—
disconnected cables, foreign debris on circuit boards, missing hardware, loose
components—can frequently cause symptoms and equipment failures that may
appear to be unrelated and difficult to track.
The following tests are highly recommended to remove these simple failures as
causes of problems.
Set the ON/OFF switch to the OFF position and disconnect the Receiver System
from its power source.
See Disassembly/assembly on page 7-3.
the components.
Take the time to make all the recommended visual checks (refer to the visual
inspection table below) before starting any detailed troubleshooting procedures.
WARNING
If a USB disk is plugged into the ATS, you need to remove it prior to
rebooting. Otherwise, the system software may not restart.
Fraying or other damage.
Bent prongs or pins.
Cracked housing.
Loose screws in plugs.
Excessive cable tension or wear.
Secure mounting hardware.
Excessive tension or wear.
Loose connection.
Strain reliefs out of place.
Moisture, dust, or debris (top and bottom).
Loose or missing components.
Burn damage or smell of over-heated components.
Socketed components not firmly seated.
PCB not seated properly in edge connectors.
Solder problems: cracks, splashes on board, incomplete feedthrough, prior modifications or repairs.
Loose wires or ground strap connections.
Faulty wiring.
Wires pinched or in vulnerable position.
ApexPro™ Telemetry
Perform an internal visual inspection of
Look for the following problems:
2001989-203C