3.2.1Controller Keypad
The RUN, OFF, and AUTO buttons control the generator set as described in Figure
Use the Select, Up arrow, and Down arrow buttons to navigate through the menus and change settings, if necessary. See Section 2.4 for operation instructions.
3.2.2LED Indicators
LEDs above the RUN, OFF, and AUTO buttons indicate the mode of operation as shown in Figure
Load indication LEDs indicate the load on the generator set. A steadily lighted LED indicates that the load on the generator set is greater than or equal to the level label for that LED. The next LED flashes and stays on for a longer time as the load increases.
Button |
| Button Function |
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RUN |
| Starts the generator set. The engine start time delay is ignored. |
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OFF |
| Stops the generator set. The cooldown time delay is ignored. |
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| During the engine crank cycle, pressing OFF will stop the crank cycle. |
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| Press OFF to clear faults and reset the controller. |
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AUTO |
| Places the generator set in Automatic (standby) mode. |
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Down arrow |
| Use to navigate through menus and change settings. This manual contains instructions |
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| to navigate the controller menus and adjust settings on the VSC controller. |
Select |
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Up arrow |
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Figure | VSC Controller Pushbutton Operation | |
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LED |
| LED Operation |
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RUN |
| Lights when the generator set has been started locally by pressing the RUN button. |
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| Remote start and stop commands are ignored. |
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OFF |
| Lights for 2 seconds, then flashes every 2 seconds when the generator set and controller |
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| are off. Remote start/stop commands have no effect. The exercise cycle will not run. |
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| In Auto mode, OFF LED flashes quickly to indicate a fault shutdown. Attention required. |
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| Identify and correct the fault condition before resetting the controller. |
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AUTO |
| Lights when the generator is in automatic (standby) mode. Generator set will respond to |
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| engine start and stop commands from the controller (for example, exercise start and stop |
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| commands) or an ATS. Time delays operate as described in Section 2.4. |
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25% load |
| LED flashes and stays on longer as load increases from 1% to 25%. |
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50% load |
| LED flashes and stays on longer as load increases from 26% to 50%. |
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75% load |
| LED flashes and stays on longer as load increases from 51% to 75%. |
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100% load |
| LED flashes and stays on longer as load increases from 76% to 100%. |
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Figure | VSC Controller LED Operation |
24 Section 3 VSC Controller Operation |