Operating Guide

11
38 590 01 Rev. B
KohlerPower.com
Repairing Minor Faults - MODYS Alarms and Faults
Pictograms
Color of
LED
Type of Fault Issue Possible Solution
Green Plug preheating
No issue: plug
preheating sequence
–
Red
Engine
temperature
Shutdown: abnormal
engine temperature
Allow generator to cool
down and check air
cleaner and vents on
enclosure.
Red
Battery or
charging
alternator
Problem with alternator
charge output or weak
battery
Contact a Kohler
portable dealer.
Red
Oil pressure or
low oil level
Shutdown: incorrect oil
pressure or low oil level
Allow generator to cool
down, top up and check
oil level.
Red Non-starting fault
3 consecutive
unsuccessful starting
attempts
Check that generator has
been started according to
recommendations in this
manual.
Red Overspeed
Shutdown: generator
rotation speed
excessive
Contact a Kohler portable
dealer.
Flashing
Red
Speed too low
Shutdown: insuffi cient
generator rotation
speed
Contact a Kohler portable
dealer.
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.
Problem
Possible Cause
Engine Not
Starting/
Running
Abnormally
Engine
Stopped
No Electric
Current
Tripping
of Circuit
Breaker
Load connected to generating set
during start-up
●
Start and Stop control ON or OFF ●
Oil level too low ●●
Unsuitable fuel ●
Fuel level too low ●●
Fuel valve closed ●
Clogged fuel fi lter ●
Clogged air fi lter ●
Fuel supply blocked or leaking ●
Faulty starter battery ●
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 (R) ●
EN