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en | 1 0 | System Test | BAT 155 Battery Tester
5.
Follow screen instructions to continue testing the CHARGING SYSTEM with
accessory loads.
INTERPRETING TEST RESULTS:
RIPPLE DETECTED:
NOT DETECTED
OR
NORMAL
RIPPLE DETECTED:
HIGH
ALT. LOAD VOLTAGE: LOW
ALT. LOAD VOLTAGE: NORMAL
ALT. LOAD VOLTAGE: HIGH
BAT 155 | REV. A | October 2020
The system is showing a normal draw. Press
the Enter Key
charging system with accessory loads.
One or more diodes in the alternator are not
functioning or there is stator damage. Check to
ensure the alternator mounting is affixed secu-
rely and that the belts are in good shape and
functioning properly. If the mounting and belts
are good, replace the alternator.
The alternator is not providing sufficient cur-
rent for the system's electrical loads and the
current for the battery. Check the belts to
ensure the alternator is rotating with engine
running. If the belts are slipping or broken,
replace the belts and retest. Check the connec-
tions 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 condition, replace the
alternator.
The system is showing normal output from the
alternator, no problem detected. Press the
Enter Key
to advance to the next screen.
The voltage output from the alternator to the
battery exceeds the normal limits of a functio-
ning regulator. Ensure all connections are tight
and that there is a good ground connection.
Altenator may need to be replaced.
to continue testing the
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