Trouble Shooting - Kubota GL14000-USA Service Manual

9. Trouble Shooting

＜Pre-check＞
Always check the level of oil, coolant and fuel before processing proceeding to trouble shooting.
(1) NO AC OUTPUT
Check volt meter.
Refer to page 19.
OK
Check breaker.
Refer to page 20.
OK
Check exciter stator.
Refer to page 16.
OK
Check exciter winding.
Refer to page 15.
OK
Check main stator.
Refer to page 14.
OK
Replace main controller.
(AVR)
(2) HIGH AC OUTPUT
Check transformer.
Check if wire is damaged
or disconnected.
Refer to page 19.
OK
Check Voltage regulator
Check if wire is damaged
or disconnected.
Refer to page 20.
OK
Replace Main controller
(AVR)
Bad
NO
Replace volt meter.
NO
Replace breaker.
NO
Replace exciter
stator.
NO
Replace main stator,
rectifier #1 and rectifier #2.
NO
Replace main stator.
NO
Replace transformer.
Replace lead wire.
NO
Replace voltage regulator.
Replace lead wire.
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