Technogym RUN 600 XTPRO - The Inverter Display Does Not Show any Error

RUN 600 XTPRO: Service & Maintenance Manual - rev. 1.3
Page 6.21
6.4.9. THE INVERTER DISPLAY DOES NOT SHOW ANY ERROR
This is an anomalous error condition in which the machine display reports an error but the inverter
has not generated an error.
Is the alarm present at the
output of the inverter
interface board?
YES
NO
YES
2
None
Is LED DL2 on the inverter
interface board illuminated?
Replace the inverter
NO
1
Is the alarm signal present
at the inverter output?
YES
Is the alarm signal present
at the input to the inverter
interface board?
Check and/or replace cable
connecting the inverter
interface board to the
inverter
Replace the inverter
interface board
NO
NO
YES
Is the alarm present at the
input to the display?
Check and/or replace cable
which connects the inverter
interface board to the CPU
board
NO
YES
Replace the CPU board
3
4
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) Place the tester probes between terminals AL0 and AL1 of the inverter. Under an alarm
condition the measured voltage should be +10 Vdc, under normal conditions it should be 0
Vdc.