Kohler APM402 Operation page 20


High fuel level (diesel-powered models only) *

Input/output communication loss

Low battery voltage

Low coolant temperature

Low cranking voltage

Low engine oil level *

Low fuel (level for diesel-powered models) *

Low fuel (pressure for gas-powered models) *

Low oil pressure

Not-in-auto (master control switch)

Speed sensor fault
* Requires optional input sensors
†
Requires optional input sensors with all battery chargers except battery charger GM87448.
System Shutdown Fault Lamp. Red lamp indicates that the generator set has shut down because of a fault condition. The unit
will not start without resetting the controller, see the section titled: Controller Resetting procedure.
See the section titled: System Fault Shutdown Lamp with Digital Displays, for definitions of the items listed. The following
conditions cause a system shutdown:

AC sensing loss

Alternator protection

Auxiliary input (analog or digital)

Common fault

ECM address conflict

ECM communications loss

ECM diagnostics (multiple engine inputs)

ECM model mismatch

Emergency stop

Enclosure temperature: high shutdown (available on select Telecom units only)

Engine over speed

Engine under speed

File system error (controller firmware fault)

Fuel tank leak (diesel-powered models only)*

High coolant temperature

Internal failure

kW overload

Locked rotor (failed to crank)

Loss of fuel

Low coolant level*

Low engine oil level*

Low fuel level (diesel-powered models only) *
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