Generator Failure
23.1.07
Panda_12mini_PMS_Digital_s00865_Installation manual.V02 - Chapter C: Generator Failure Page 43
Voltage control check procedure:
1. Switch off load.
2. Disconnect the power to the actuator.
3. Turn the actuator spindle manually to check if an adjusting nut is jammed.
4. Turn the actuator spindle manually to check if the adjusting nuts allow smooth spindle opera-
tion.
If no fault is found from these checks there is nothing mechanically wrong. Proceed to check elec-
trical functions:
1. Reconnect the power to the actuator.
2. Start the generator.
3. Turn the actuator spindle by hand and check if the spindle is returned by the actuator motor.
4. If the motor reacts strongly (the motor can normally be halted with the fingers) the drive is wor-
king properly.
5. If the motor is weak or hesitant there are short circuits in the actuator windings and the actua-
tor must be replaced.
Check the limits of the generator voltage
The mechanical voltage limitation should be checked regularly as follows:
1. Disconnect the electrical supply line to
the actuator.
1. Plug for actuator
Fig. C.9: Electrical supply actuator
2. Switch off any load.
3. Connect an electrical voltmeter.
4. Start the generator.
5. Turn the actuator manually to the lower limit stop point.
6. The voltage must be 200V between L1 and N.
7. Turn the actuator manually to the upper limit stop point. The max. voltage is 260V.
8. A new adjustment is necessary in case of variation from these figures.
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