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11. TROUBLE-SHOOTING
When rhe generator is in trouble. carefully check the trouble and remed)- IL
(11
(
Voltmeter does not work or pilot lamp does not light.
I
(Cause)
(Remedy)
1
I
1
Voltmeter or pilot
lamp is defective
0 Replace.
Wrong wiring or some
leads unconnected
l
Wire correctly.
y Primary
Exciting coil
defective
l
Replace exciting coll.
7 OK
>
Resistance outsrde
range of 5 --7.5R
I
qy-Eq
(Check winding resistance.)
I
Field coil shorr
range of 5 -7.5-Q
(See the description of winding
resistance in 9-l .I
Main coil broken
.
Replace stator.
Sub coil broken
l
Replace stator.
resistance in 9-l .I
AVR broken
.
Replace AVR.
l
Clean, replace.
0 Check, replace.
l
Replace.
l
Replace AVR.
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