Technogym Step 600 XTPRO - The Spm Value Is Incorrect

STEP 600 XTPRO: Service & Maintenance Manual - rev. 1.1
Page 6.9
6.4. THE SPM VALUE IS INCORRECT
The occurrence of this error indicates problems with the RPM signal output by the alternator.
THE SPM VALUE IS
INCORRECT
Is the SPM wire of purple
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
which connects the
alternator to the
interface board
Replace the alternator
interface board
Replace cable which
connects the CPU
board to the alternator
interface board
Replace the display 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?