Technogym spin trainer - The Resistance Is Not Correct

SPIN TRAINER: 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
Is the Watt 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
7.10.
Check and/or replace
cable SP-5 connecting
the interface board to the
alternator
Replace the alternator:
see paragraph 7.13.
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 the alternator
interface board: see
paragraph 7.10.
YES
NO
5
1
Check if the RPM signal
is correct
Is the Km/h values shown on
the display correct?
YES
NO
Check whether the
machine is calibrated:
see paragraph 8.2.
A
Continued on following page.