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5.11 Warnings and Failures
The GSC400 incorporates many types of warnings and failures. Some are only active in
the RUN mode while others are also active in the AUTO and/or OFF modes. Warnings
and failures can be triggered from a Digital Input, Analog Input, AC Voltage, AC
Current, Speed Signal Input, as well as others. The Advanced Setup section of this
manual will give more information of the specific warning and failures for each type of
input.
When a warning occurs, the second line (the area under the time and date display) of the
LCD is used to display the warning text. Also, after the warning is displayed,
instructions are displayed showing the user how to silence the warning. When in the
AUTO or RUN modes the instructions are to press the Auto key and when in the OFF
mode press the Off key.
When a failure occurs (although most failures only occur in the RUN mode, the Low
Fuel Level and Low Coolant Level failures occur in any state including OFF and
AUTO) the controller exits the RUN mode and goes to the FAILURE mode – turning off
the Fuel output and other outputs on or off depending on the advanced settings – and
displays the failure message. The alarm will sound and remain on until it is silenced by
the user. The Auto key can be pressed to silence the alarm. Once the alarm is silenced it
can be reset by pressing the Auto key and then the Off key. This returns the controller to
the OFF mode.
The failure is recorded in the event log accessible from the Basic menu.
5.11.1 Diagnostic Trouble Code Shutdowns
This section only applies if the Diagnostic Trouble Code (DTC) feature is enabled. See
section 5.13 for more information on DTCs.
The GSC400 does not have the ability to detect when the generator ECM has shutdown
the generator. In the case of an ECM shutdown the GSC400 will display one of the
following failures reasons:
1. Low Oil Pressure
2. Under Speed
3. Under Frequency
4. Under Voltage
The failure message display will depend on the user’s failure set points for the above. On
one of the above failures the user can check the Event History Log (see section 5.9.3 on
page 31 about the history log) to determine if there has been a shutdown of the generator
due to a DTC (DM1).
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