TP-5737 5/01 43Section 5 Decision-Makert 3+ Troubleshooting
Indicator Switch Position/Remarks Check For Voltage Between
System Ready Master switch in AUTO position; engine switch in OFF
position.
TB1-42A (+) and TB1-60 (--)
High (Engine) Water
Temperature (HWT)
Master switch in RUN position; engine switch in RUN
position; hold toggle switch to HWT for at least 5 seconds
TB1-42A (+) and TB1-36 (--)
Low Oil Pressure (LOP) Master switch in RUN position; engine switch in RUN
position; hold toggle switch to LOP for at least 5 seconds
TB1-42A (+) and TB1-38 (--)
Auxiliary Fault (16-light
controller)
Master switch in RUN position; engine switch in RUN
position; wait 10 seconds. A flashing AUX lamp indicates
proper operation of all auxiliary functions
TB1-42A (+) and TB1-26 (--)
Emergency Stop
(local/remote), if equipped
Master switch in RUN position; engine switch in RUN
position; remove switch lead connected to controller
terminals TB1-1 or 1A.
Not Applicable
Generator Switch Not-in-Auto Master switch in RUN or OFF/RESET; engine switch in any
position
TB1-42A (+) and TB1-80 (--)
Anticipatory (High Engine)
Water Temperature (AWT)
Master switch in RUN position; engine switch in RUN; hold
toggle switch to AWT
TB1-42A (+) and TB1-40 (--)
Anticipatory (Low Engine) Oil
Pressure (AOP)
Master switch in RUN position; engine switch in RUN; hold
toggle switch to AOP
TB1-42A (+) and TB1-41 (--)
Low Water Temperature
(LWT), if equipped
Master switch in RUN position; engine switch in RUN; hold
toggle switch to LWT
TB1-42A (+) and TB1-35 (--)
Low Fuel, if equipped Generator set master switch in OFF/RESET; engine switch in
RUN position
Ground controller terminal TB1-63 to test. If the Low Fuel
lamp lights, the circuit is functioning correctly
Not Applicable
Battery Charger Fault (if
battery charger equipped and
connected)
Generator set master switch in OFF/RESET; engine switch in
RUN position
Ground controller terminal TB1-61 to test. If the Battery
Charger lamp lights, the circuit is functioning correctly
Not Applicable
Low Battery Volts (if battery
charger equipped and
connected)
Generator set master switch in OFF/RESET; engine switch in
RUN position
Ground controller terminal TB1-62 to test. If the Low Battery
Volts lamp lights, the circuit is functioning correctly
Not Applicable
Overspeed See Section 5.4.5, Controller Speed Sensor Circuitry. Not Applicable
Overcrank See Section 5.4.4, Overcrank. Not Applicable
Auxiliary Prealarm (Common
Fault)
Master switch in RUN position; engine switch in RUN
position; hold toggle switch to LWT, HWT, or LOP
TB1-42 (+) and TB1-32 (--)
Figure 5 -30 Generator Condition Indicator Terminals
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