7640h
CLAAS 7640h: Power Boost Calibration Failure (Component 2)
Issue description
The Power Boost calibration has failed, resulting in limited functionality in modes C and D. A bad measurement was detected, and the engine speed sensor 1 of 2 is disconnected.
Check the cause
The connection of the engine speed sensor 1 of 2
The calibration status of the Power Boost system
The functionality of the Power Boost in modes C and D
Repair steps
Check the connection of the engine speed sensor 1 of 2
Ensure the sensor is properly connected and free from damage.
Recalibrate the Power Boost system
Follow the manufacturer's instructions for recalibrating the Power Boost system.
Verify the operation of the Power Boost in modes C and D
Test the system after recalibration to ensure proper functionality.
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