Blink Codes
NOTE: Use of any other type of lamp, other than LED, could damage components.
Table shows both normal operation and failure mode blinks codes. Normal operation blink codes will be displayed
when no failure modes are detected during operation. These codes will only appear if there is no captured failure blink
code. Failure mode blink codes are specifi c to integrated sensors associated with master controller/ignition module.
Operational blink sequence only occurs when routine associated to it is completed, until then LED will continue
blinking to previously completed routine.
eChoke Diagnostics and Failure Mode Subroutines
●
DELAY=LED OFF 2 seconds
● ON=LED ON 0.5 second
● OFF=LED OFF 0.5 second
Operational Tests
Test Step
Number
Operation
Description of
Operation
MIL Lamp Status
What is happening at
eChoke
™
1 Power Cycle
Remove and reconnect
ground on battery.
ON
Choke system will cycle
to complete open and
then complete close.
3A Choke Adjusting
Engine started, release
Key to RUN position.
ON OFF ON OFF ON
DELAY
eChoke
™
moving to open
position.
4A Normal
Choke operation
completed.
ON
eChoke
™
stays in open
position.
5A Engine Shutdown
Turn Key from RUN to
OFF.
ON DELAY
Once engine has come
to a stop, choke will fully
close.
6A Power Saver Mode
System will switch to
power saver mode after 30
minutes without engine
speed reading.
OFF
System goes into power
saver mode after 30
minutes of non use or
when key switch moved
to OFF.
Failure Modes
1B Failure to Start ON
Pause at RUN and attempt to CRANK
engine.
Limit cranking time to about 5 seconds.
For fi rst 4 failed crank attempts, choke
will reposition at each attempt. After
four (4) attempts, key OFF and make
one fi nal attempt to start.
Check other components (spark plug,
ignition, carburetor, fuel solenoid).
2B Temperature Read Failure
ON OFF ON OFF ON OFF
ON OFF ON DELAY
Faulty temperature sensor. System will
keep choke closed at Key ON and
ramp to open within 10 seconds of
engine starting if this is root failure.
Replace Master controller/ignition.
3B RPM Read Failure
ON OFF ON OFF ON OFF
ON DELAY
System defaults to this failure after 30
seconds of being in Key ON and no
RPM.
Choke will open to half position.
Error clears if system reads RPM when
engine is cranking.
Replace Master controller/ignition.
NOTE: Rotary stepper motor can be tested individually using the stepper motor controller tool and jumper lead tool.
Refer to Tools and Aids.
Fuel System
3724 690 06 Rev. P KohlerEngines.com
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