Fault-Tracing Information

Condition 

Fig 1: Identifying Oil Level Topped Up In Servo Reservoir

Courtesy of VOLVO CARS CORPORATION

If, for any reason, there is power steering fluid, coolant etc on the generator's carbon brushes, slip rings or windings, there may be no charge.

Possible Source 

• Oil or fluid in the generator.

Fault symptom[s] 

• The battery discharges
• The "Generator not charging" warning lamp is lit when the engine is running.