Bosch gen 5 auto shift emtb to turbo

[boomdocker]

Under certain pedaling load, my motor auto shifts from emtb (or emtb+) to turbo
I find this a bit irritating, how do I turn it off?

 

[Shark58]

Under certain pedaling load, my motor auto shifts from emtb (or emtb+) to turbo
I find this a bit irritating, how do I turn it off?

Do you mean the motor actually changes the mode to Turbo and this is shown in the display? Should't happen and is the first time I hear about.

Or do you mean the support increases in eMTB and eMTB+ modes when applying more power to the pedals? This is the designed functionality of those modes.

 

[boomdocker]

Do you mean the motor actually changes the mode to Turbo and this is shown in the display? Should't happen and is the first time I hear about.

Or do you mean the support increases in eMTB and eMTB+ modes when applying more power to the pedals? This is the designed functionality of those modes.

The former ie the motor changes to turbo from emtb+ and is shown on the display

 

[Shark58]

The former ie the motor changes to turbo from emtb+ and is shown on the display

Really strange.

Could it be that your mode switch has a loose contact or the buttons get pressed by some other component next to it. What controller do you use?

If that is not the case there is a function in the Flow app you could try.
Go to individual riding modes and reset all modes to default configuration. Do that for each mode you have activated and also for all other modes you might have used in the past.

 

[steve_sordy]

Really strange.

Could it be that your mode switch has a loose contact or the buttons get pressed by some other component next to it. What controller do you use?

...............

I have had a bike with a gen 5 motor for a few weeks now and it kept changing modes without me doing anything. It was a bit of a bind .

Then I discovered that a fold in the thumb of my glove kept touching the mode switch!
The switch had been placed right up to the grip and with the rocker face almost vertical. So I moved the switch further away from the grip and turned the body of the switch so that the rocker was horizontal. Only very occasional issues now.

I also found that with the rocker horizontal I find it easier to press it just once at a time, rather than the mutiple number of times where it was before (as a consequence of bumpy trails).

 

[Shark58]

Then I discovered that a fold in the thumb of my glove kept touching the mode switch!

Exactly, that's what I was thinking about.

For me the more vertical mounting is ideal. When the switch is horizontal I tend to do multiple presses and have to rotate my thumb to far.

 

[steve_sordy]

Exactly, that's what I was thinking about.

For me the more vertical mounting is ideal. When the switch is horizontal I tend to do multiple presses and have to rotate my thumb to far.

Apart from being 90 degrees away from each other, we are aligned!

 

[Plummet]

Yeah thats a switch problem. Probably the remote switch on the handle bar.

Take it off and see you are still getting mode changes.

 

[Shark58]

Apart from being 90 degrees away from each other, we are aligned!

I simply followed the Bosch recommendation and it worked for me: How-to | Position control unit correctly - Videos