Troubleshooting
Model: T621
Malfunction: The fuse has blown.
Circumstance: After a period of use, the fuse suddenly breaks.
Possible cause: 1. Fuse holder malfunction
2. Deck or belt wear
3. Drive board malfunction
Troubleshooting: 1. Inspect the fuse and fuse holder installation.
2. Inspect the mechanics:
A. Is the walk belt worn or requiring lubrication?
B. Inspect walk belt tightness. Is it too loose?
3. Replace the drive board as a test.
4. Inspect the motor brushes.
3-6-3
Drive board
Display board
Sensor
Motor
motor
Summary of Contents for T621
Page 1: ...T621 Repair Manual Electronics ...
Page 4: ...1 1 Product Picture T621 1 1 1 ...
Page 5: ...1 2 Display T621 1 2 1 ...
Page 6: ...1 3 Component Placement T621 Display 1 3 1 Telemetry heart rate receiver board Display board ...
Page 7: ...1 3 Component Placement T621 Display 1 3 2 HTR board Bridge board Soft keys Safety key board ...
Page 11: ...1 5 Connections T621 Bridge Board 1 5 2 To safety key board To HTR board To display ...