Annunciator Lamps - Kohler APM402 Operation

1.2.2

Annunciator Lamps

The controller has a single annunciator fault lamp providing visual generator set status. In addition, each button has a
corresponding lamp. See Figure 3.
Lamp/Button
Alarm (Fault) Lamp
Off/Reset Button
Auto Button
Run Button
Alarm Silence/Lamp Test Button
Figure 3 Annunciator Lamps
System Status Lamps (Master Control Switches)
The green lamp illuminates on the master control switch AUTO (automatic start) button indicating the system senses no faults
and the unit is ready to start by remote command.
The red lamp illuminates on the master control switch OFF/RESET button indicating the generator set is stopped.
The yellow lamp illuminates on the master control switch RUN button indicating the generator set is cranking or running from a
local command.
Only one of the three master control switch lamps will illuminate at any given time.
Alarm Silence Lamp. Yellow lamp illuminates indicating the alarm horn was silenced.
(System) Fault Lamp. Yellow lamp illuminates indicating a warning condition or red lamp illuminates indicating a shutdown
condition. See System Warning Fault Lamp and System Shutdown Fault Lamp following for system fault conditions.
System Warning Fault Lamp. Yellow lamp identifies an existing fault condition that does not shut down the generator set. A
continuing system warning fault condition may cause a system shutdown. Correct all system warnings as soon as practical.
See the section titled: System Fault Warning Lamp with Digital Displays, for definitions of the items listed. The following
conditions cause a system warning:

AC sensing loss

Auxiliary input (analog or digital)

Battery charger communication loss

Battery charger fault
Note:
Optional input sensors not required with charger GM87448.

Battery charger identity conflict

Battery charger parameter mismatch

Battery fault

Common warning

Critical high fuel level (diesel-powered models only) *

Default parameters loaded

ECM diagnostics (multiple engine inputs)

Fuel tank leak (diesel-powered models only) *

Ground fault *

High battery voltage

High coolant temperature
TP-6694 9/20
Lamp color
Yellow (Warning) or Red (Shutdown)
Red
Green (System Ready)
Yellow
Yellow
†
*
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