Kohler 14RESA Manuel d'installation et d'utilisation - Page 28
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Auto-discovery
does not complete.
Check whether the
Automatic Paralleling
Module indicates that the
generator is closed to the
bus.
NO
Check if the generator
controller is seeing bus
voltage (look at L2-L3
voltage in SiteTech).
NO
The other generator is not in
OFF.
NO
The controller has a fault or
warning.
NO
Controller is not running
paralleling code.
Figure 30 Troubleshooting: Auto- discovery
28
The wait for auto-discovery
can be as long as 30
seconds. After 30 seconds
YES
expires, try to close the
contactor manually (jump L1
to the C wire on the coil).
Check if it closes.
NO
Is the generator circuit
breaker tripped?
NO
Is the APM circuit breaker
tripped?
NO
Check for bad connections
between the generator and
APM. Pay special attention to
the Neutral connection.
NO
Check that the APM is
recognized on RBUS.
Connection status of each
module can be found on the
front panel of the controller.
The controller thinks that the bus is live (will not close to a
YES
live bus in auto-discovery mode). Check wiring between
the generator and the APM. Pay special attention to the V9
lead connection, as this is the bus sensing.
YES
Press the OFF button on the other generator. Then start this
YES
Clear fault to retry. See Fault listing for additional information
on which faults inhibit breaker closure.
YES
Load paralleling firmware Rdc2v4_210_0_0.bin onto both
generator set controllers and cycle power when complete.
auto-discovered to a different
YES
different model and then set it
YES
YES
YES
Check the RBUS connections
YES
troubleshooting procedures if
generator in run mode.
Device may already have
contactor. Set the engine
model number select to a
back. This will clear any
auto-discover information
stored in the controller.
Reset the generator circuit
breaker.
Reset the circuit breaker in
the APM.
Correct the connections.
and follow RBUS
module is not visible in the
list.
TT-1596
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