Troubleshooting - Kohler PRO 12.3 EFI Owner's Manual

Troubleshooting

Do not attempt to service or replace major engine components, or any items that require special
timing or adjustment procedures. This work should be performed by a Kohler portable dealer.
Possible Cause
Load connected to generating set
during start-up
Start and Stop control ON or OFF
Fuel valve closed
Fuel level too low
Unsuitable fuel
Oil level too low
Clogged air cleaner
Clogged fuel filter
Faulty starter battery.
Fuel supply blocked or leaking
Blocked ventilation inlets
Circuit protectors not actuated
Faulty appliance supply cord
Faulty electrical sockets
Faulty alternator
Device connected or faulty cord
Overload
Battery incorrectly connected
Faulty MODYS Fuses (J)
12
Engine Not
Starting/ Engine
Running Stopped
Abnormally
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KohlerPower.com
Problem
No Electric
Current
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Tripping of
Circuit
Breaker
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34 590 01 Rev. A