11. TROUBLE-SHOOTING

When the generator is in trouble, check carefully the trouble part and remedy it.

(I) (Cause) (Remedy)

YES
Win? checked? Wrong wiring or some
leads unconnected.
1 OK
Resistance outside
range of 5 -7.5X2
Slip ring defective
Resistance outside
range of 5 -7.5a
Field coil short
Main coil broken
Sub coil broken
resistance in 9-l .I
AVR broken
Replace.
Wire correctly.
Replace exciting coil.
a Replace AVR.
Clean, replace.
Check, replace.
Replace.
Replace stator.
Replace stator.
Replace AVR.

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