DHC BT900 - Page 13

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measured.
RIPPLE DETECTED NORMAL
Diodes function well in the alternator / starter.
RIPPLE
DETECTED
xx.xx V
NORMAL
NO RIPPLE DETECT
Ripple is not detected.
NO RIPPLE DETECT
PRESS ENTER
EXC
ESS 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.
RIPPLE
DETECTED
xx.xx V HIGH
9. Press the «ENTER» key to continue the charging system with accessory
loads. One of the three results will be displayed along with the actual testing
measured.
CHARGING SYSTEM HIGH WHEN
TEST WITH ACCE
SSORY LOADS
The voltage output from the alternator to the
battery exceeds the normal limits of a
functioning regulator.
ALT. LOAD VOLTS
xx.xx V HIGH
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
ALT. LOAD VOLTS
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