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TP-6905 6/1422 Section 2 Generator Set Operation
2.6 Faults
Selected fault conditions are shown in Figure 2-5. Fault
conditions are classified as warnings or shutdowns. If a
fault occurs that is not listed in the table, contact an
authorized distributor/dealer for service.
Note: All ECM faults are grouped under one listing in
Figure 2-5.
If a programmable interface module (PIM) is connected
to the generator set controller, additional faults can be
activated by customer-supplied equipment. See
TT-1584,Installation Instructionsfor the Programmable
Interface Module, for available inputs and outputs.
2.6.1 Warnings
The controller displays a fault message but the
generator set does not shut down on a warning. The
controller resets automatically after a warning condition
is corrected.
2.6.2 Shutdowns
Under a fault shutdown condition, the generator set
shuts down automatically and the controller displays a
fault message. The OFF LED flashes. See Figure 2-5.
Shutdownswitches(suchasthelowcoolantlevelswitch
or high engine temperature switch) on the generator set
will automatically reset when the problem is corrected.
However, the fault condition at the controller does not
clear until the controller is reset.
The generator set cannot be restarted until the fault
condition is corrected and the controller is reset. See
Section 2.6.4 to reset the controller after a fault
shutdown.
2.6.3 ATS Communication Errors
When a ModelRXT transferswitch isused, an ATS fault
indicates that the connection to the interface board on
the transfer switch has been lost. Check the connection
to the ATS interface board.
2.6.4 Resetting the Controller after a
Fault Shutdown
Always identify and correct the cause of a fault
shutdownbefore resetting the controller.Checkthe fault
message displayed on the controller and refer to
Figure 2-5 to identify and correct the fault condition
before proceeding. Contact an authorized
distributor/dealer for service, if necessary.
PresstheOFF buttonto resetthe controller,orfollowthe
procedure below. See Figure 2-4.
Procedure to Reset the Controller after a Fault
Shutdown
1. Press the Select button to go to the Overview
menu.
2. Press Select again. The active fault is d isplayed.
3. PressSelect.ConfirmClearFault:NOisdisplayed.
4. Press the Up arrow button. Confirm Clear Fault:
YES is displayed.
5. Press the Select button to enter YES and clear the
fault.
6. Press the Select Button to return to the overview
menu.
7. PressAUTOtoputthe generator setinto automatic
mode.
Overview ---->
1.2 h
Fault Message Confirm Clear
Fault: NO
Confirm Clear
Fault: YES
Fault Message
Press Up
arrow button.
tp6810
Figure 2-4 Clearing a Fault