Off-load voltage
is
normal, but load cannot be operate
I
(Cause)
(Remedy)
Rpm unadjusted
Operates if load
is
decreased. Overload
0
Adjust
0
Change load.
IK
4
Resistance nearly zero
I
AC plug checked
OK
Load shorted
+"-+
Resistance infinite
AC plug
wrong wiring
'-1
Load defective
I
0
Correct.
0
Check and correct load.
0
Correct,
0
Check and correct load.
Generator insulation
I
~~~l~~~.
defective
I
r
Generator overheat Cooling air not
t
Fan faulty; cooling
circulating weli air passage biocked
0
Check. Correc:. Replece.
OK
4
to
6-13R
Resistance not within range of
Slip ring defective
Brush defective
Slip rings checked? Slip ring defective
Brush defective
Not
checked properly. Or, opera-
tion returns to normal when AVR AVR defective
is
replaced with another one.
insufficient
See Engine Trouble-shooting
0
Clean. Replace.
0
Check. Replace.
0
Replace.
-
55
-