Technogym BIOSTRENGTH LINE, Service Maintenance Manual

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BIOSTRENGTH LINE: Service & Maintenance manual - rev. 2.1
Page 6.25
6.10. THE LCD DISPLAYS THE MESSAGE “WEIGHT STACK
PROBLEM = MOTOR”
This error message appears during the initial machine reset, when the CPU board does not receive
the encoder signal from the Bio servo board, and the zero sensor signal does not change for
approximately 60 seconds, after enabling movement of the weight stack motor in one direction. This
means there is no movement.
WEIGHT STACK
PROBLEM = MOTOR
Replace the CPU board
Replace the BS-6/2
cable
Check whether the weight stack
motor enable output signal from
the CPU board is correct
NO
Check whether the weight stack
motor enable input signal to the
Bio servo board is correct
YES
2
3
Check whether the weight stack
motor enable output signal from
the Bio servo board is correct
NO
4
Replace the Bio servo
board
NO
YES
YES
Check whether the power supply
to the Bio servo board is correct
NO
1
YES
B
A