Technogym RUN 600 XTPRO, Руководство по техническому обслуживанию

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RUN 600 XTPRO: Service & Maintenance Manual - rev. 1.3
Page 6.24
6.6. THE BELT MOTOR STARTS WITH DELAY
The problem is caused by the inverter failing to receive the enable signal (Start) or the speed signal.
THE BELT MOTOR
DOES NOT START OR
STARTS WITH DELAY
Are the Start and PWM signals
correct at the output of the CPU
board?
Are the Start signal and the
analog speed reference signal
correct at the output of the
inverter interface board?
YES
NO
YES
Replace the inverter
interface board
1
2
NO
Replace the inverter
Replace the CPU board
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:
(1) To check the Start signal, place a tester between pins 7 (signal) and 3 (ground) of connector
CN1 on the CPU board. When the belt is halted the measured voltage should be 0 Vdc,
whereas immediately after pressing the “Start” key on the display the measured voltage should
be 4.8 Vdc.
To check the PWM signal, place a tester between pins 6 (signal) and 3 (ground) of connector
CN1 on the CPU board. When the belt is halted the measured voltage should be 5 Vdc,
whereas immediately after pressing the “Start” key on the display the reading should rapidly
decrease until it reaches a fixed value corresponding to the selected speed. The variation of the
signal must be accompanied by a corresponding variation in the tread belt speed: see Table
6.7-1 or Table 6.7-2.
(2) To check the Start signal, place a tester between pins 2 (signal) and 1 (ground) of connector
CN1 on the inverter interface board. When the belt is halted the reading should be -25.3 Vdc,
whereas immediately after pressing the “Start” key on the display the measured value should
be -2.7 Vdc.
To check the analog speed reference signal, place a tester between pins 5 (signal) and 6
(ground) of connector CN1 on the inverter interface board. When the belt is halted the
measured value should be 0 Vdc, whereas immediately after pressing the “Start” key on the
display the reading should rapidly increase to reach a fixed value corresponding to the selected