Troubleshooting
Model: T621
Malfunction: ERR7
Circumstance: The incline never recalibrated; ERR7 appeared.
Possible cause: 1. Incline does not operate up or down and calibrate.
2. Drive board is malfunctioning.
Troubleshooting: 1. Inspect whether incline UP or DN LEDs light
during operation.
2. Drive board voltage follows:
Drive board
Incline motor voltage
LED9 UP lit
White-Black
110V or 220V
LED7 DOWN lit
White-Black
110V or 220V
3. When the incline is at the 0% position, does it touch the zero switch?
Does LED8 light?
3-9-1
Drive board
Display board
Incline
motor
Zero
switch
Incline up/down LED
LED8 zero switch
Incline connector
Incline fuse
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 ...