Troubleshooting
FOR U MN3/4
Fault Cause
Remedy
Main fuses blow frequently
Batteries defective
Motor defective
Fault in control
Visit your dealer
unit
Short-circuit in
electrical
equipment
Batteries
Charge the batteries
discharged (chapter
10.0)
Battery charge display moves
rapidly to discharged during
journey
Motor jerks during driving
Motor defective
Batteries defective
Visit your dealer
Batteries do not charge
Defective fuse in
power supply to
Visit your dealer
tiller head
battery cable
Defective fuse in
Visit your dealer
Front unit
Plug in front unit
connector not
connector
plugged in
(chapter 13.4.1)
Battery charger
defective
Batteries
Visit your dealer
completely
discharged
65
Issued: 23.01.2008