TP-6745 7/10 35Section 2 Troubleshooting
Problem
See
Section
CheckPossible Cause
Generator set
engine runs when it
should not
(continued)
Generator set master switch not in
AUTO
Move the generator set master switch to the AUTO
position. Wait for the generator set engine
cooldown delay, if necessary.
Generator
set manuals
Other generator set problem Disconnect the engine start leads from the ATS. If
the engine continues to run, troubleshoot the
generator set.
Exerciser does not
start generator set
Exerciser not set Use View Exercise Setup screen to check
exerciser settings.
ATS O/I/M
Check that exercise run duration
is not set to zero
Use View Exercise Setup screen to check
exerciser settings.
ATS O/I/M
Loose or open engine start
connection
Check wiring and connections. ATS O/I/M
Engine start problem Test engine start operation. Also see Generator
set engine does not start in this table.
3.9
Exerciser does not
run regularly or at
all
Exerciser not set Use View Exercise Setup screen to check
exerciser settings.
ATS O/I/M
Maintenance DIP switch SW1B
closed
Check for Maintenance Mode message on
controller display.
—
Check the DIP switch setting. 3.10
Exercise interval different than
expected
Use View Exercise Setup screen to check
exerciser settings.
ATS O/I/M
Failure to transfer
Alternate source is not available Check source connections.
Check source voltage and frequency.
Check source settings.
ATS voltage sensing is incorrect.
1.3
2.4.2
2.5
2.11
ATS voltage sensing is incorrect. Perform troubleshooting procedures in Figure 2-19. 2.11
Unloaded exercise selected Use View Exercise Setup screen to check
exerciser settings.
ATS O/I/M
Unloaded test sequence selected Press the End Test button, wait for the test
sequence to stop, and then select a Loaded or
Auto Loaded test sequence.
ATS O/I/M
Pre-transfer time delays operating
Check controller display for time delay indication.
See Section 3.4 for information on time delays
during normal operation.
3.4
Check the time delay settings. 2.6
Maintenance DIP switch enabled Check DIP switch setting. 3.10
Connected source available Check the Source Available LEDs. 3.1
Preferred source selection set to
emergency and emergency
source is available
Check the preferred source selection and the
Source Available LEDs.
—
Supervised transfer control switch
(optional) in manual position
Check the position of the supervised transfer
control switch, if equipped. Move the switch to the
TRANSFER or AUTO position, as appropriate for
the application.
ATS O/I/M
Slow or no transfer to utility Perform the troubleshooting procedures in the
Transfer Troubleshooting flowchart in Figure 2-21
and Figure 2-22.
2.11
O/I/M= Operation and Installation Manual; O/M = Operation Manual; TOC = Table of Contents, this manual;
W/D = Wiring Diagrams
To Next Page
Loading...
Need help?
General
