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Symptom Probable Cause Corrective Action Recommended Tools
HEAVY
RESISTANCE
750U, 750R
Console Set
Defective Cables
Lower control
Board/Brake
• Remove the console set.
• Disconnect the 7 pin connector from the
back of the console set.
• Pedal.
• Resistance normal? Replace console set.
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• Remove pedal and if 3 piece crank
remove crank arm.
• Remove right side cover assembly.
• Disconnect 7- pin connector from the
lower control board.
• Pedal.
• If resistance is normal- replace cable for
console.
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• Disconnect 3- pin connector from the
brake.
• Resistance still heavy- Replace brake.
• Resistance normal
• Check brake cables for cross continuity.
• Replace lower control board.
Multi-meter
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