12RES 12kW, 120/240V UL/CSA Manual

TP-6515 2/2142 Section 4 Troubleshooting
Problem Possible Cause Corrective Action
The generator set
does not crank.
Fault shutdown Check for a fault code on the controller display. See
Section 2.7.
Battery weak or dead Check power to the battery charger.
Recharge or replace the battery.
Battery charger fuse blown Replace the fuse. Contact an authorized distributor/
dealer for service if fuse blows repeatedly.
Battery connections reversed or poor Check the connections.
Fuse F2 blown Replace the fuse. Contact an authorized distributor/
dealer for service if fuse blows repeatedly.
Fuse F3 blown Replace the fuse. Contact an authorized distributor/
dealer for service if fuse blows repeatedly.
Generator set master switch in the OFF position Move the master switch to AUTO for remote start or
to RUN for local start.
The generator set
cranks but does not
start, starts hard,
lacks power, or
operates erratically.
Air cleaner clogged Clean and/or replace the air cleaner.
Battery weak or dead Check power to the battery charger.
Recharge or replace the battery.
Battery connection poor Clean and tighten the battery connections.
Spark plug wire connection loose Check the spark plug wires.
Low oil pressure shutdown Check the oil level.
Fuel pressure insufficient Check the fuel supply and valves.
Engine malfunction Contact an authorized distributor/dealer.
No AC output.
AC circuit breaker in the OFF position Place the circuit breaker in the ON position.
AC circuit breaker tripping because of overload Reduce the load on the generator set.
AC circuit breaker tripping because of short
circuit
Contact an authorized distributor/dealer for service.
Auxiliary winding fuse (F1) blown Replace the fuse. Contact an authorized distributor/
dealer for service if fuse blows repeatedly.
Low output or
excessive drop in
voltage.
Generator set overloaded Reduce the load.
Generator set stops
suddenly.
Low oil pressure shutdown Check the oil level. Check for signs of oil leaks.
Out of fuel Check fuel supply.
Overcrank shutdown Reset the controller. If the overcrank fault occurs
again, contact an authorized distributor/dealer.
Controller fuse (F3) blown Replace the fuse. If the fuse blows again, contact
an authorized distributor/dealer.
Overspeed shutdown Reset the controller. If the overspeed fault occurs
again, contact an authorized distributor/dealer.
Generator set master switch in the OFF/RESET
position
Move the switch to the correct position (RUN or
AUTO).
Remote stop command received from a remote
switch or ATS
Check the remote switch position.
Engine malfunction Contact an authorized distributor/dealer.
Auxiliary winding fuse (F1) blown Replace the fuse. Contact an authorized
distributor/dealer for service if fuse blows repeatedly.
Figure 4-2 General Troubleshooting Chart