Service manual

Revision D 4-23
Troubleshooting: General Fault Isolation
Series 2000 Treadmill
409110-004
Shroud Removal
To remove the treadmill shroud for the internal visual inspection or for
service:
■ Disconnect the power cord from the rear connector panel.
■ Remove the screws on the back panel of the shroud and remove
the back panel.
■ Remove the 2 bolts on each side of the shroud.
■ Lift off the shroud from the front.
Table 4-8. Visual Inspection List
Area Look for the following problems:
I/O Connectors and Cables • Fraying or other damage.• Bent prongs or pins.
• Cracked housing.• Loose screws in plugs.
Fuses • Type and rating. Replace as necessary.
Interface Cables • Excessive tension or wear.• Loose connection.
• Strain reliefs out of place.
Circuit Boards • Moisture, dust, or debris (top and bottom).• Loose or missing components.
• Burn damage or smell of over-heated• Socketed components not firmly seated.
components.• PCB not seated properly in edge connectors.
• Solder problems: cracks, splashes on board,
incomplete feed through, prior modifications or
repairs.
Ground Wires/Wiring • Loose wires or ground strap connections.• Faulty wiring.
• Wires pinched or in vulnerable position.
Mounting Hardware • Loose or missing screws or other hardware, especially fasteners used as connections to ground
planes on PCBs.
Power Source • Faulty wiring, especially AC outlet.• Circuit not dedicated to system.
(Power source problems can cause static discharge, resetting problems, and noise.)
MD1129-012C
Shroud Side Bolts
Back Panel