Section or
Publication
Reference*
Electrical System (DC Circuits)
ATS - Automatic Transfer Switch; Eng.
- Engine; Gen.
- Generator Set; I/M
- Installation M
anual; O/M
- Operation Manual;
M/M – Maintenance Manual; S/M
- Service Manual;
S/S - Spec Sheet; W/D
- Wiring Diagram Manual
† Have an authorized service distributor/dealer perform this service.
Reset the breaker and check for AC voltage at the
generator set side of the circuit breaker.
Move the transfer switch test switch to the AUTO
position.
Test and/or replac
e the rotor.
†
Test and/or replace the stator.†
Tighten loose components.†
Reset the controller. If the overcrank fault occurs again,
contact the distributor/dealer
. †
Verify that the battery connections are correct, clean,
and tight.
Recharge or
replace the battery. The spec sheet
provides recommended battery CCA rating.
Replace the starter or starter solenoid.
Disconnect the engine harness connector(s) then
reconnect it to the controller.
Reset the fault switches and troubleshoot the controller.
AC output circuit breaker open
.
Transfer switch test switch in the OFF
position
.
Wiring, terminals, or pin in the exciter
field open
.
Main field (rotor) inoperative (open or
grounded)
.
Stator inoperative (open or grounded)
.
Battery connections loose, corroded,
or incorrect
.
Starter/starter solenoid inoperative.
Engine harness con
nector(s) not
locked tight
.
Exercise run time
and/or event
records
inoperative
Displays error
message/locks up
Excessive or
abnormal noise
Cranks but does
not start
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