Magneti Marelli 007950006900 Owner's Manual page 16

9. Press the «ENTER» key to continue the charging system with accessory
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EXCESS RIPPLE DETECTED
One or more diodes in the alternator are not
functioning or there is stator damage. Check to
ensure the alternator mounting is sturdy and
that the belts are in good shape and functioning
properly. If the mounting and belts are good,
replace the alternator.
loads. One of the three results will be displayed along with the actual testing
measured.
CHARGING SYSTEM HIGH WHEN
TEST WITH ACCESSORY LOADS
The voltage output from the alternator to the
battery exceeds the normal limits of a
functioning regulator.
Check to ensure there are no loose connections and that the ground
connection is normal. If there are no connection issues, replace the regulator.
Since most alternators have the regulator built-in, this will require you to
replace the alternator.
CHARGING SYSTEM LOW WHEN TEST
WITH ACCESSORY LOADS
The alternator is not providing sufficient current
for the sy
charging current for the battery. Check the belts
to ensure the alternator is rotating with the
engine running. If the belts are slipping or
broken, replace the belts and retest.
Check the connections from the alternator to the battery. If the connection is
loose or heavily corroded, clean or replace the cable and retest. If the belts
and connections are in good working condition, replace the alternator.
CHARGING SYSTEM NORMAL WHEN TEST
WITH ACCESSORY LOADS
The system is showing normal output from the
alternator. No problem detected.
DETECTED
xx.xx V HIGH
ALT. LOAD VOLTS
xx.xx V HIGH
ALT. LOAD VOLTS
xx.xx V LOW
ALT. LOAD VOLTS
xx.xx V NORMAL
16
RIPPLE