Dynamo Power DP7100 - Brushless Alternator Issues

TROUBLESHOOTING
4-2.4 Damage Cause and Remedy of Brush less Alternator
Table l4
PHENOMENA CAUSE REMEDY
1 .Switch is on the
position of "OFF"
1. Turn the switch to the position "ON".
Cannot
generate
2.Worse connection of the
plug or the control panel.
2.Adjust the contactor of the plug or the wires
inside the control panel.
3.Circuit break of the stator
coil or the capacitor
overloads,
3. Check the stator at the point of the break; if it is the
just reason that causes problem, change the stator;
or check the capacitor with the multimeter, if the
needle does not move, change the capacitor.
4.Short circuit of the
rectifier.
4.Check the rectifier by the Multimeter as the
following steps: connect the pens to each two
of the four contactors of the rectifiers both in the
clock-wise way and in the counter-clock-wise way; if
you find that both ways are electrically conducting or
non-conducting, it needs replaced.
5. Connection between
The coil of the rotor and
The rectifier is wrong,
which cannot make the
different magnetic poles
(N/S).
5.Check the reel and the rectifier by the Multimeter.
Kindly note the current way while connecting.
Low Voltage
1.Low engine speed.
1.Increase the engine speed.
2.Short-circuit of the
rotor reels.
2.Change the rotor.
3.Short-circuit of the
capacitor or the stator.
3.Chang the capacitor or stator,
Others
1.The rectifier of the rotor
gets short circuit and the
output voltage decreases
suddenly after loading.
1.Check the rectifier as per the above instruction.
Replace a new one.
2.After loading the Power
take-off (PTO) drive shaft
skids. This causes voltage
to drop and alternator to
overheat.
2.Disassemble the engine. Maintain the PTO
shaft and the inside hole of the rotor until the
conic degree reaches the reasonable level,
then reassemble the engine.
3.Short-circuit of the rotor or
the stator makes the
alternator overheat.
The voltage drops.
3. Change the stator or the rotor.
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