Kohler Decision-Maker 1 Manual page 60

Indicator
Anticipatory (High Engine)
Water Temperature (AWT)
Anticipatory (Low Engine)
Oil Pressure (AOP)
Auxiliary Fault
Battery Charger Fault, if
battery charger equipped
and connected
Common Fault/Auxiliary
Prealarm
Emergency Stop
(local/remote), if equipped
Generator Switch Not in
Auto
High Battery Volts (if battery
charger equipped and
connected)
High (Engine) Water
Temperature (HWT)
Low Battery Volts, if battery
charger equipped and
connected
Low Fuel
Low Oil Pressure (LOP)
Low Water Temperature
(LWT)
Overspeed
Overcrank
System Ready
Figure 3-27 Generator Set Condition Terminals TB1 (TB1A) and TB3 (TB1B)
60 Section 3 Decision-Makerr 3+ Troubleshooting
Switch Position/Remarks
Place the generator set master switch in the RUN position.
Place the engine switch in the RUN position.
Press and hold the toggle switch to AWT.
Place the generator set master switch in the RUN position.
Place the engine switch in the RUN position.
Press and hold the toggle switch to AOP.
Place the generator set master switch in the RUN position.
Place the engine switch in the RUN position and wait 10 seconds. A flashing AUX
lamp indicates proper operation of all auxiliary functions.
Place the generator set master switch in the OFF/RESET position.
Place the engine switch in the RUN position.
Ground the controller terminal TB1-61 to test. If the Battery Charger lamp lights the
circuit functions correctly.
Place the generator set master switch in the RUN position.
Place the engine switch in the RUN position.
Press and hold the toggle switch to the LWT, HWT, or LOP position.
Place the generator set master switch in the RUN position.
Place the engine switch in the RUN position.
Remove the switch lead connected to controller terminal TB1-1 or 1A.
Place the generator set master switch in the RUN or OFF/RESET position.
Place the engine switch in any position.
Generator set master switch in OFF/RESET; engine switch in RUN position
Ground controller terminal TB1-27 to test. If the High Battery Volts lamp lights the
circuit functions correctly.
Place the generator set master switch in the RUN position.
Place the engine switch in the RUN position.
Press and hold the toggle switch to HWT for at least 5 seconds.
Place the generator set master switch in the OFF/RESET position.
Place the engine switch in the RUN position.
Ground controller terminal TB1-62 to test. If Low Battery Volts lamp lights the circuit
functions correctly.
Place the generator set master switch in the OFF/RESET position.
Place the engine switch in the RUN position.
Ground controller terminal TB1-63 to test. If the Low Fuel lamp lights the circuit
functions correctly.
Place the generator set master switch in the RUN position.
Place the engine switch in the RUN position.
Press and hold the toggle switch to LOP for at least 5 seconds.
Place the generator set master switch in the RUN position.
Place the engine switch in the RUN position.
Press and hold the toggle switch to LWT.
See Controller Speed Sensor Circuitry test in Section 3.6.5.
See Overcrank test in Section 3.6.4.
Place the generator set master switch in the AUTO position.
Place the engine switch in the OFF position.
Check for Voltage
Between:
TB1-42A (+) and
TB3-40 (--)
TB1-42A (+) and
TB3-41 (--)
TB1-42A (+) and
TB1-26 (--)
Not Applicable
TB1-42 (+) and
TB3-32 (--)
Not Applicable
TB1-42A (+) and
TB3-80 (--)
Not Applicable
TB1-42A (+) and
TB1-36 (--)
Not Applicable
Not Applicable
TB1-42A (+) and
TB1-38 (--)
TB1-42A (+) and
TB3-35A (--)
Not Applicable
Not Applicable
TB1-42A (+) and
TB3-60 (--)
TP-6356 4/12