30
3 Design and Function
RIPPLE DETECTED NORMAL
Diodes function well in the alternator / stator.
or
EXCESS RIPPLE DETECTED
RIPPLE DETECTED
XX.XXV HIGH
One or more diodes in the alter-
nator are not functioning or
there is stator damage. Check to ensure the alter-
nator mounting is sturdy and that the belts are in
good shape and functioning properly. If the moun-
ting and belts are good, replace the alternator..
10.
Press the «ENTER» key to continue the charging sys-
tem with accessory loads. One of the three results
will be displayed along with the actual testing
measured.
CHARGING SYSTEM HIGH WHEN TEST
WITH ACC. LOADS
The voltage output from the alter-
ALT. LOAD VOLTS
XX.XXV HIGH
nator to the battery exceeds
the normal limits of a functioning
regulator. Check to ensure there are no loose con-
nections and that the ground connection is nor-
mal. 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 ACC. LOADS
The alternator is not providing
ALT. LOAD VOLTS
XX.XXV LOW
sufficient current for the system’s
electrical loads and the char-
ging 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
NO RIPPLE DETECT
RIPPLE DETECTED
XX.XXV NORMAL
Содержание V3748
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