Ampler Stout 2019-2021 Manual - Page 14

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Factory calibration

CAUTION!

Firmware update

Electric system support

Factory calibration will adjust all your bike's sensors and align the

functionality of all electronic components. Use this calibration only if

any of the electronic components have been replaced or only if

recommended by Ampler support.

CAUTION! During the factory calibration, the motor starts on its own

and thus the rear wheel will start spinning. It is necessary for you to

lift the rear wheel off the ground during the whole process to prevent

damages or injury.

Please follow these steps:

Place the left crank horizontally with ground facing in the front

direction.

2. Turn the bike off (the LED around the button is off).

3. Place the bike so that the motor can spin freely in the air. You can

slightly lift it up.

4. Hold down the button (approx. 10 seconds) until it turns GREEN

instead of RED. As soon as the LED turns GREEN, release the

button and make sure the wheel is lifted!

5. The LED starts blinking orange and the bike is processing a cali-

bration of the torque sensor and motor sensors. In a few mo-

ments, the motor starts spinning for around 15 seconds. When the

motor stops, the LED should blink GREEN after about 5 seconds

and then automatically turn off.

6. Check if the motor support is working again

Now the motor and torque sensor are calibrated and assist modes are

set to default, you might need to adjust them again through the app.

Turn the bike on again and you are ready to use your Ampler!

Here is how you check, if you need a firmware update and how to do

it:

Every Ampler has a motor controller – the so-called brain of your bike

that provides all of the functions for your bike, directing every other

part of the electronics system.

To get the best experience with Ampler, you should always keep your

bike's firmware up to date. This update can be done via your Ampler

app using your smartphone, the update usually consists of two parts.

The two parts are almost identical, and you'll need to do them in a

row, so please take about 10-15 minutes to make sure you have

enough time for both updates and if necessary, some time to

troubleshoot.

To start, make sure:

• To download the latest app version for your phone

• You and your phone are near the bike

• You have internet connection on your phone, preferably stable WiFi

• Your phone's battery is not running low

• The battery level of the Ampler bike is more than 25%