1-7. Troubleshooting chart T615
2-1-1
Malfunction
Circumstance
Inspection and test points
Components to replace
Safety key malfunction
Put safety key in place.
Display has no reaction.
“Safety key” appears on
the display.
1.
Inspect the cable connections on the lower
part of the display and safety key.
2.
Inspect the safety key magnet.
3.
Inspect the safety key board.
Safety key board
No start up
Power on indicator does
not light.
1.
Inspect the power cord connection.
2.
Inspect all cable connections.
3.
Inspect the fuse, the fuse holder, and the
power switch.
4.
Drive board components have an electrical
short. Replace the drive board.
1.
Fuse, fuse holder
2.
Drive board
No start up
Power on indicator lights
but the display does not
light.
1.
Inspect all cable connections, including
connector cables.
2.
Inspect whether drive board LED2 lights:
a. If LED2 lights, inspect and test the
transformer fuse.
3.
Inspect whether LED1 on the display
lights.
a. If LED1 does not light, inspect the data
cable from the display to the drive board.
b. If LED1 does light, inspect the display
program IC. Re-install the display IC.
1. Transformer
2. Drive board
3. Display board
program IC
Telemetry heart rate
malfunction
Telemetry heart rate
malfunction
1.
Inspect the heart rate transmitter strap and
its batteries. Replace batteries if they have
not been replaced recently.
2.
Inspect the receiver board cables.
3.
Test or replace the receiver board.
4.
Inspect for environmental interference, for
example, from speakers and lights.
1.
Heart rate transmitter
2.
Heart rate receiver
board
Summary of Contents for T615
Page 1: ...T615 Repair Manual Electronics...
Page 2: ...1 1 Product Illustration 1 1 1...
Page 3: ...1 2 Dispaly 1 2 1...
Page 4: ...1 3 Component Placement T615 Display 1 3 1...
Page 5: ...1 3 Component Placement T615 Bridge board 1 3 2 Bridge board To Lower keypad To Safety key...
Page 8: ...1 4 Connection T615 1 4 2...
Page 9: ...1 4 Connection T615 Display 1 5 1...
Page 10: ...1 5 Cable Connections T615 Display 1 5 2 To Safety key board To lower keypad To Display...
Page 12: ...1 6 Indicator LEDs T615 Display 1 6 1 Power led...
Page 48: ...4 8 1...