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What is the cause and the remedy of the fault (brf) in ATV71 ?

The Causes :
• The brake feedback contact does not match the brake logic control
• The brake does not stop the motor quickly enough (detected by measuring the speed on the "Pulse input" input).

The remedy :
• Check the feedback circuit and the brake logic control circuit
• Check the mechanical state of the brake
• Check the brake linings
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