Alpha Technologies AlphaGen 3.5_5.0kW Kohler COM5 - Manual (Page 34)

TP-6482 8/06 34 Section 4 General Troubleshooting
4.2 Generator Set/Controller System Troubleshooting Flowcharts
Does
engine
crank?
Does
engine
start?
Yes
No
Did a fault
shutdown
occur?
Is the battery
connected?
No
No
Yes
No
Correct fault, reset
controller, and
continue
troubleshooting from
top of page.
Yes
Yes
Charge or replace the
battery and attempt to
restart. If engine does
not crank, continue
troubleshooting
sequence.
No
Check the battery
voltage. Is battery
fully charged?
Repair/replace starter.
See the Engine Service
Manual.
Yes
Check wiring
harnesses and
connections.
Reconnect, repair, or
replace wiring if
loose or damaged.
Move master switch
to RUN position.
Does engine start
and run normally?
No
Yes Unit is okay.
Go to
B
Check starter wiring, relay, and
motor. Check voltage to starter
relay on lead 71. See Section
5.6. Is the starter okay?
Replace
controller
board.
Yes
No
Does unit stop
while master
switch is still in
AUTO?
No
Yes
Generator set is okay. The system
may have been sent a remote stop
command, or there may be a
problem with the remote control
system. Refer to the instructions
for the remote control system.
Unplug cabinet interface
connector (P6) to disconnect
remote control system.
Move master switch to
RUN position.
Move master switch
to the OFF position.
Connect the
battery.
Go to
A
Move master switch to STOP
position to reset controller faults.