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TSDZ2 w/ VLCD5 shutdown when accessing hidden settings

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Hello!

 

I was trying to debug the torque sensor of my TSDZ2 unit purchased one year ago. I disassembled the motor and checked connections from the torque sensor using a multimeter.

 

When I re-assembled the motor I tried to access the hidden settings to read the T0 and T1 torque sensor readings, but the display shuts off when I perform the usual procedure to access these settings (i+power for 3 seconds).

 

As far as I could tell, all the relevant connections had continuity. However, at this point I'm not sure which connections are relevant to test...

 

I dont understand what that behavior signifies; the unit shuts down in the same manner also when the torque sensor is completely disconnected. Is this normal? Shouldnt an error with the torque sensor return some sort of error code instead of shutting down the system? Could the issue be in the controller istead?

 

Additional information:

- Speed sensor works fine

- Walk mode works fine (so I guess battery should be fine too?)

- Battery voltage OK

- No pedal assist when applying torque (the original reason for disassembly)

 

Has anyone else experienced the same issue, or have any clue as to what is going on?

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