Technogym BIKE XT - The Resistance Is Not Correct

BIKE XT: Service & Maintenance manual - rev. 2.0
Page 6.5
6.2. THE RESISTANCE IS NOT CORRECT
THERE IS NO
RESISTANCE
THE
RESISTANCE IS
NOT CORRECT
Are the Watt and RPM values
shown on the display correct?
Is the alternator excitation
voltage correct?
Is the excitation voltage at
the output of the alternator
interface board correct?
Is the power resistor value
correct?
Replace the power
resistor: see paragraph
7.8.
Check and/or replace
cable BX-5 connecting
the interface board to the
alternator
Replace the alternator:
see paragraph 7.9.
YES
NO
YES
NO
NO
YES
NO
YES
2
3
4
Does the CPU board send
the correct control signal to
the alternator interface
board?
Replace cable BX-1
connecting the CPU
board to the alternator
interface board
Replace the alternator
interface board: see
paragraph 7.8.
YES
YES
NO
NO
5
6
Replace the display CPU
board: see paragraph 7.3.
1
Is the control signal output by
the CPU board correct?
Check if the RPM signal
is correct