The Spm Value Is Incorrect - Technogym Step XT Service Maintenance Manual

6.3. THE SPM VALUE IS INCORRECT

Replace the display CPU
board: see paragraph 7.3.
Follow the procedure step by step to correctly diagnose the problem. Take particular care with the
checks highlighted by circled numbers, which are described in detail below:
Page 6.8
STEP XT: Service & Maintenance Manual - rev. 2.0
THE SPM VALUE IS
INCORRECT
Is the SPM wire of cable
SX-5 correctly connected to
the alternator?
YES
Is the SPM signal output
correctly by the alternator?
YES
Is the SPM signal on connector
CN2 of the alternator interface
board correct?
YES
Is the SPM signal on
connector CN1 of the
alternator interface board
correct?
YES
YES
Is the SPM signal on
connector CN1 of the CPU
board correct?
1
NO
Rewire the cable
correctly
2
NO
Replace the alternator:
see paragraph 7.22.
3
NO
Replace/rewire cable
SX-5 which connects
the alternator to the
interface board
4
NO
Replace the alternator
interface board: see
paragraph 7.7.
5
Replace cable SX-1
NO
which connects the CPU
board to the alternator
interface board