Technogym Steprace - The Spm Value Is Incorrect

STEPRACE: Service & Maintenance Manual - rev. 1.2
Page 6.9
6.4. THE SPM VALUE IS INCORRECT
This error occurs when there are problems with the RPM signal output by the alternator.
THE SPM VALUE IS
INCORRECT
Is the SPM wire of cable
ST-5 correctly connected to
the alternator?
Is the SPM signal output
correctly by the alternator?
Is the SPM signal on connector
CN2 of the alternator interface
board correct?
Is the SPM signal on
connector CN1 of the
alternator interface board
correct?
Rewire the cable
correctly
Replace the alternator
Replace/rewire cable
ST-5
Replace the alternator
interface board
Replace cable ST-1
Replace the CPU board
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
1
2
3
4
5
Is the SPM signal on
connector CN1 of the CPU
board correct?