Technogym Steprace - The Machine Fails to Read the Stepping Mode

STEPRACE: Service & Maintenance Manual - rev. 1.2
Page 6.13
6.6. THE MACHINE FAILS TO READ THE STEPPING MODE
This error occurs when there are HW problems with the microswitch or its signal.
Does the selection knob press
the microswitch lever?
Is the microswitch working
properly?
Does the microswitch signal
reach the input on the
alternator interface board?
Adjust the position of
the selection knob and
microswitch
Replace the
microswitch
Replace cable ST-5M
THE MACHINE DOES NOT
READ THE STATE OF THE
MICROSWITCH
Does the microswitch signal
reach the output of the
alternator interface board?
NO
YES
NO
YES
NO
YES
NO
YES
4
Replace the alternator
interface board
Does the microswitch signal
reach the input on the CPU
board?
Replace cable SP-1
NO
5
Replace the CPU board
YES
2
3
1
Follow the step by step procedure to correctly diagnose the problem. Take particular care with the
checks highlighted by circled numbers, which are described in detail below:
(1) Move the stepping mode selection knob and check whether the microswitch changes state.