Kohler 14RESA Installatie- en bedieningshandleiding - Pagina 27
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7 Additional Troubleshooting
If the paralleling system does not operate as expected, check the items in the following charts. Verify that both
generator controllers have blue circuit boards. Section 4 also includes some troubleshooting tips for problems that
may arise during the initial setup.
Breaker will not
close in RUN.
Check whether the other
generator set is connected to the
paralleling bus.
NO
Check whether the generator sees
bus voltage (L2-L3 in SiteTech)
above 25% of rated voltage.
NO
Bus sensing is not connected or is
connected incorrectly.
Check wiring between both
generators and the Automatic
Paralleling Module.
Figure 28 Troubleshooting: Breaker Will Not Close
SiteTech indicates that both
engines are under load, but the
ATS has not transferred.
Transfer ATS and start each
generator individually. Does the
metering read positive power with
load on the generator?
NO
The metering on this generator is
backwards.
Figure 29 Troubleshooting: ATS Has Not Transferred
TT-1596
8/22
YES
Other breaker is closed. Stop the
other generator set.
Auto-discovery is not complete.
Initiate auto-discovery. This
generator must be running in RUN
YES
mode (not AUTO). The other
generator must be stopped with
the controller in OFF mode (press
The metering on this generator
is correct. Start the other
YES
generator and allow it to close
to the bus, then stop this
generator. Check that the other
generator is reading positive
power.
NO
The metering on the other generator is backwards. Select a different
model number for the other generator, then re-select the correct model
number. This will clear the CT direction flag and allow the generators to
Select a different model number for the generator, then re-select the
correct model number. This will clear the CT direction flag and allow the
generators to re-determine CT direction.
OFF button).
YES
re-determine CT direction.
Both generators are
metering accurately, the
load indicated in SiteTech
must be due to electrical
noise. Continue to
commission the system.
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