Marine Generator Panda PMS 8 „mini“ E-TEC Icemaster Fischer ...

Generator Failure
Possible disturbances in the area of the rev regulation "VCS"
Failure
The spindle of the actuator jams
Fuse on the printed circuit board of the
VCS control is melted.
Cause
• not regularly lubricated.
• surface is mechanical damaged.
• actuator is defect.
• defect of the VCS control (short of winding).
• signal 240V (120V) AC missing.
• limiting nut jams the spindle.
• constant overload of the generator.
Steps to check the voltage control by a disturbance:
1. Switch off all electrical load.
2. Disconnect the plug of the actuator.
3. Turn the actuator manually to check if the adjusting nut is jamed to the limit stop points.
4. Turn the actuator manually to check if the adjusting nut on the spindel runs faultless.
If there is no result by these steps the actuator is working mechanically correct. After this the
electrical components must be checked:
1. Connect the plug of the actuator.
2. Start the generator.
3. Turn the actuator by hand and check if the spindle turns back by the motor.
4. If the motor react on the turn by manual strongly (the motor can normally hold with the fingers)
the drive will be working faultless. If there are nevertheless faults in the voltage control there is
a fault in the control VCS.
If the actuator is not moving the following points are necessary:
1. The motor turns not strongly rather weak:
• The actuator has shorts in the winding and must be changed. (pay attention that the generator
is not overloaded anymore.)
2. The actuator does not move but the spindle can be turned manually. Disconnect the plug of
the actuator. Connect provisional an external voltage source 12V-DC to the motor.
• The actuator don’t turns with the external voltage source. The actuator is defect and have to
be changed.
• The control must be inspected by the following steps if the actuator turns und works faultless
with the external voltage source:
1. Check the fuse on the VCS printed circuit board.
2. Check if the sense voltage is wired to the VCS printed circuit board.
3. Check if the VCS supply voltage is wired to the VCS.
4. Check if the VCS outlet signal for the actuator is wired.
Change the VCS printed circiut board if the points above carries no clearance.
Page 36
Panda PMS 8 "mini" E-TEC s00585 - Chapter C: Generator Failure