VOIONIC VPC-Serie Montage- Und Bedienungsanleitung Seite 57

The voltage does not increase compared to the standstill => Alternator does not charge.
Cause:
• V-belt ripped?
• Alternator is not aroused. Controller defective, alternator is not aroused. Controller
defective or fuse to the controller failed.
➔ Check all connections and contacts on the alternator ignition lock etc.
VOIONIC VPC Series 57