3. TROUBLESHOOTING
19
3-1-7 Unable Generating Electricity
TROUBLE CAUSE
REMEDY
Unable generating
electricity
Collector ring and carbon brush contacting
poor
Clean the surface of the
collector ring and grind the
carbon brush arc face.
Brush pressure abnormal
Replace the spring or adjust it.
Stator, rotor output leads contacting poor.
Panel, meter and socket contacting poor.
Check the adjusting winding
for reliable, panel meter, and
socket for correct. If needing,
replace it.
Magnetism discharged
Charge magnetism
Check each winding for connecting to ground
or breakdown
Check them one by one and
insulate them.
Check main winding and excitation loop for
open circuit.
Check and connect the broken
part.
AVR failure
Replace AVR
3-1-8 Voltage Too Low
TROUBLE CAUSE
REMEDY
Voltage too low
Gasoline Engine speed too low
Increase the engine speed.
Collector ring and brush carbon contacting
poor
Clean the collector ring face
and grind the carbon brush arc
face.
Brush pressure abnormal
Replace the spring or adjust it.
Stator, auxiliary winding and excitation loop
open circuit
Remove the open circuit or
replace coils.
Stator, main winding and auxiliary winding or
excitation loop connection error.
Correct the connection
AVR output terminal power supply voltage or
checking voltage abnormal.
Test the power source voltage
or testing voltage.
AVR failure
Replace AVR