Operation Manual

EN-82 Original User Guide | Impulse 2.0 Pedelec Version 3
Description Cause Remedy
Motor noise a)Therearevariousreasonsformotornoise–itisnotalwaysduetoamechanicalfault.Forexample,thefollowingfactorscannegativelyaect
noise:
» Excessively high cadence with a low load.
» Very high assist level (e.g. riding uphill).
» Derailleur gear (as opposed to a gear hub).
b) Chain/belt tension too high. b) Reduce chain/belt tension. If necessary, ask your DCW/RU dealer  3.7.1 Chain tension Page EN-20
 3.8.1 Belt tension Page EN-22.
c) Dirty chain/belt. c) Clean chain/belt  3.8.3 Cleaning Page EN-24.
d) Defective pedals. d) Replace pedals  3.1 Attaching the pedals P. EN-16.
e) Motor bolts not tight enough. e) Tighten motor bolts  10. Torque settings Page EN-86.
Buttons on easy-reach control not
functioning
Easy-reach control is defective. Please ask your DCW/RU dealer. The easy-reach control may have to be replaced.
The system freezes in a mode
Shift sensor not working Shift sensor defective. Please ask your DCW/RU dealer. The Shift sensor may have to be replaced.
Push assist is too weak a) Software is not up to date.
Please ask your DCW/RU dealer. They can install the latest system software.
b) Shift cable incorrectly
threaded.
Display Cause Remedy
"Check speed sensor"/"SPEED" a) The spoke magnet has
slipped.
a) Check whether the spoke magnet has slipped. It should be as close as possible to the speed sensor on the
chain stay (max. 10 mm). Align the magnet on the marker point with the speed sensor.
b) The speed sensor is faulty. b) Contact your DCW/RU dealer. He will be able to replace the speed sensor.
c) Spoke magnet missing. c) Contact your DCW/RU dealer. He will be able to replace the spoke magnet.
d) Assist mode is queried in
standby.
d) The display should disappear when travelling at over 6 km/h.