Defects And Remedies - Mecc Alte ECP series Betriebs- Und Wartungsanleitung

ALTERNATOR DOES NOT EXCITE
- Substitute fuse.
- Increase speed by 15%.
- For an instant apply on "+" and " -" of the
electronic regulator a 12 V battery voltage
with a 30 Ω resistor in series, respecting the
polarities.
AFTER BEING EXCITED ALTERNATOR DOES NOT
EXCITE
- Check connection cables as per atta-
ched drawings.
LOW VOLTAGE AT NO LOAD
- Reset voltage potentiometer.
- Check speed.
- Check windings.
HIGH VOLTAGE AT NO LOAD
- Reset voltage potentiometer.
- Substitute regulator.
AT LOAD CONDITIONS, VOLTAGE LOWER THAN
RATED VALUE
- Reset voltage potentiometer.
- Current too high, power factor lower than 0.8, speed lower
than 4% of rated speed.
- Substitute regulator.
- Check diodes, disconnect cables
AT LOAD CONDITIONS, VOLTAGE HIGHER THAN
RATED VOLTAGE
- Ritarare la tensione.
- Sostituire il regolatore.
UNSTABLE VOLTAGE
- Check uniformity of rotation.
- Regulate stability of regulator by acting on
"STAB" potentiometer.
For any other defect, please contact the seller, the after sales
service or Mecc Alte directly.
ECO - ECP MANUAL

DEFECTS AND REMEDIES

26
ENGLISH
ECO-ECP iMANUAL December 2013 Rev. 03