Original User Manual | Pedelec Impulse 2.0 Ergo 31
“Please move the pedals”
permanently shown on display.
Backpedal brake switch
defective
Backpedal briey and then pedal forwards again
to trigger the system check. If there is still no
assistance being delivered, please consult your
specialist cycle shop.
“Please put on chest belt”
permanently shown on display
The chest belt is too loose • Tighten the chest belt.
The battery of the chest belt
is empty
• Change the battery. To do so, unscrew the bat-
tery cover on the reverse of the chest belt us-
ing a coin and exchange the battery beneath
the cover for an appropriate replacement bat-
tery ensuring that the polarity is not reversed.
There is no layer of moisture
between the skin and the
electrodes.
• Moisten the chest belt with electrode gel or
water before putting it on.
The chest belt is dirty • Clean the chest belt with lukewarm water and
a mild soap solution.
“Determine heart rate …”
permanently shown on display
Electromagnetic disturbance
(high-voltage power lines,
trac lights, MP3 players,
overhead cables, mobile
phones, other training de-
vices)
• Stay away om possible sources of
disturbance.
• First switch the Impulse ERGO Pedelec o,
and then on again.
The pedalling cadence no longer
adjusts itself correctly
Extraneous radiation or bat-
tery was not connected for an
extended period of time
Ride slowly and hold down the mode button on
the NuVinci Harmony gears for between ve and
seven seconds.
The system switches o Battery has been run empty Wait ve minutes. During this period, the bat-
tery will have recovered and you can switch the
system back on again. The display nctions once
more. From now on, please only ride in the mode
“no assistance/stand by”. At this point you can
also operate the gears once more. In this way, you
can ride for another hour until the battery nally
switches o. Note: The battery switches o as
soon as you begin to ride using the power-assist
mode once more.