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How to Use the Bosch Purion Display Controller

Did you recently purchase a new electric bike and want to learn how to use the Bosch Purion display controller to the full capacity? This video is for you. 
How to Use the Bosch Purion Display Controller

by Arleigh Greenwald

October 29, 2019

Did you recently purchase a new electric bike and want to learn how to use the Bosch Purion controller to the full capacity? This video is for you. Not into video? Scroll down for step by step instructions!

In this video we will cover:
1. How to turn on the bike
2. What all the symbols mean
3. How to change modes of assistance
4. How to scroll through trip distance, odometer, range of battery
5. What the battery range means
6. How to reset the trip distance
7. How to turn on the lights
8. How to use walk-assist if it is turned on (some manufacturers don't enable this)


Bosch Purion Buttons 

Understanding the layout of your buttons is important as you can use these in combinations to make your bike do clever things!

The Bosch Purion Power Button is at the very top of the controller, hidden out of view if you are on the bike. 

Bosch Purion Power Putton

To get more assistance, press the PLUS button

Bosch Purion More Assistance Button

To get less assistance or NO assistance, press the minus button

Bosch Purion Display Less Assistance

Some bikes have a walking aid turned on, to do this you press the walk button and then the "+" button while HOLDING walk.

Bosch Purion Step by Step Button Controls

  • Change units from miles to kilometers: hold the - key and tap the Power button.
  • Reset trip distance: hold the - key and hold the + key for a couple of seconds.
  • Turn On Lights (if they are wired in): hold the + button for a few seconds.
  • Change Menus as you would in a car, hold the - button (trip distance, odometer, range, assist level). These only reflect which assistance mode you are in. For example, if you are in ECO, it tells you the range of battery using that assistance level. If you are in no assistance it doesn't tell you any range.
  • Activate Walk Mode, make sure you are in one of the four levels of assist, then press the walk button once and hold the + button to make the motor go. Note that some e-bikes do not have walk mode enabled.

Bosch Purion Display Manual

Find all Bosch manuals online here:

More Bosch Ebike How-To Videos

Another helpful video on how to remove and install a Bosch ebike frame battery can be found here.