User manual

83 of 148
4.4.3 AUTO Mode
When the GSC400 is set to the
AUTO mode, automatic starting will
be enabled. Possible triggers include
RSC (start/stop), battery recharge
and exerciser run (all of which are
controllable from the menu system).
If the engine is started, failures will
be automatically detected allowing
for safe engine operation.
While in AUTO mode the controller
will display engine temperature,
battery voltage, fuel level, and
engine hours.
The LCD will turn off after a programmable amount of time. This is controlled by
the sleep delay setting in the basic menu.
The GSC400 can go from AUTO to OFF under these conditions:
1. The OFF key is pressed on the front panel of the GSC400.
2. The emergency stop input becomes active.
3. A Modbus command is sent over the RS485 connection to place the
controller in the OFF Mode.
When the GSC400 enters the OFF Mode it logs a “OFF ENABLED” event in the
event log.
The GSC400 can go from OFF to AUTO under these conditions:
1. The AUTO key is pressed on the front panel of the GSC400.
2. A Modbus command is sent over the RS485 connection to place the
controller in the AUTO Mode.
4.4.4 RUN Mode
The controller starts the
engine/generator and enters the
RUN mode automatically on certain
triggers (low battery voltage or to
exercise the generator) or the user
can manually start the
engine/generator by pressing the
Run key. Another option is to use
the remote start contacts located on