Fuses - Kohler Decision-Maker 1 Manual

Disabling the generator set.
cause severe injury or death.
generator set or connected equipment, disable the generator
set as follows: (1) Move the generator set master switch to the
OFF position. (2) Disconnect the power to the battery charger.
(3) Remove the battery cables, negative (--) lead first.
Reconnect the negative (--) lead last when reconnecting the
battery. Follow these precautions to prevent starting of the
generator set by an automatic transfer switch, remote
start/stop switch, or engine start command from a remote
computer.
3.5.1

Fuses

To quickly check the condition of the components
mentioned in the following flowcharts, use an ohmmeter
to measure resistance between designated terminal
and ground. See Figure 3-16 and Figure 3-17. With
ohmmeter on R x 1 scale, a reading of less than 1 ohm
(continuity) indicates a potentially defective component.
Isolate the defective component and repair or replace.
Component
Engine Gauges
Crank (K2 Relay) Circuit
Fuel/ignition Circuit
Figure 3-16 P1 and P2 Connections
Defective dry contact, kit, audio/visual alarm kit, and other accessories connected to TB1-42A
Battery connections reversed
Defective engine electrical (wire 70) components
Figure 3-18 Checking Fuses F1, F2, and F3
50 Section 3 Decision-Makerr 3+ Troubleshooting
Accidental starting can
Before working on the
Connect between ground
and terminal:
Connector P2, pin 1
Connector P1, pin 1
Connector P1, pin 7
Blown F1 fuse (remote annunciator: 3 amp)
Blown F2 fuse (controller: 3 amp)
Shorted DC supply to indicator panel
circuit board
Blown F3 fuse (engine and accessories: 15 amp)
1
1. Ground connection
2. P2 connection
Figure 3-17 Checking P1 and P2 Connections
Figure 3-18 lists the possible causes of blown controller
fuses F1, F2, and F3. Replace blown fuses and resume
operation. If the fuse blows again, use the chart to
identify the faulty component(s).
Shorted controller circuit board
Defective panel lamps or engine gauges
2
Ω
3-187
TP-6356 4/12