56
EN
TROUBLESHOOTING
TROUBLESHOOTING
The lighting
does not work
Wrong operation
Cable defective
Plug contact released
Lamp defective
Switch on lamps
Replace cable
Connect
plug contacts
Replace lamp/LED headlight
Insufficient
brake output
Brake linings worn
The brake is set incorrectly
The brake has run too hot at perma-
nent stress (e.g. on long downhill
rides)
Replace the brake linings
Adjust brake
Use all brakes alternatingly
Shift gears
not clean or
cannot be engaged
Gearshift misadjusted
Shifting components
defective or bent
Setting the gear shift
Replace shifting element
Occurrence of unusual noise
when cycling
The stem/handlebar screws are not
tightened
Chain not lubricated sufficiently
Chain to tight
The foot pedal attachment is not tight-
ened
Retighten stem/
handlebar screws
Lubricate chain
Retension chain
Tighten
bottom bracket attachment
Bicycle runs
"stiff"
Air pressure too low
Brake drags
Too-high gear engaged
Increase the air pressure
Adjust brake
Shift to lower gear
No or insufficient spring effect
Spring element too tense
Adjust the suspension to a softer set-
ting
