Bahco BBT80 Original Instructions Manual page 13

CHARGING SYSTEM LOW WHEN TEST
WITH ACCESSORY LOADS
The alternator is not providing sufficient current for
the system's electrical loads and the 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.
10. Press «ENTER» when charging system test is completed.
Turn all accessory loads and engine off. Press «ENTER»
to read the system test results.
11. Press "ENTER" to press result or not.
IN-VEHICLE TEST
This is a combination test of both battery test & system test. Please refer to above testing
procedures or follow the instructions on the display of the tester.
ALT. LOAD VOLTS
xx.xx V LOW
ALT. LOAD VOLTS
xx.xx V NORMAL
TEST OVER. TURN OFF
LOADS & ENGINE
ALT. LOAD VOLTS
xx.xx V NORMAL
RIPPLE VOLTAGE
xx.xx V NORMAL
CRANKING VOLTAGE
xx.xx V NORMAL
ALT. IDLE VOLTS
xx.xx V NORMAL
PRINT RESULT?
YES/NO
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