Kohler 20RESD Bedienungsanleitung für Installation und Betrieb - Seite 23
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Fault Text
Description
CfgModelNum
The two generators which are intended to be
paralleled have different model numbers.
LossOfComm2
The Primary controller has lost communication with the
secondary controller. (A secondary controller was
detected, then communication was lost.)
CfgSysVolt
The system voltage of the two generators intended to
be paralleled is not the same. Because the system
does not know which voltage is correct, the generators
will not be allowed to start.
LossOfComAPM
The Automatic Paralleling Module has stopped
communicating on RBUS. (An APM was detected on
the RBUS network but is no longer communicating.)
SyncFailure
The generator has been attempting to synchronize for
over 2 minutes without success.
MeteringOk
The Generator has verified that the metering is
connected correctly and that the direction is consistent
with expected power direction.
NoCurrent
The generator has applied load (using the other
generator) and has observed no current on the power
sensing inputs.
ErraticSig
The Power metering on this controller gives a signal
that is not consistent with the system configuration.
Reversing the power direction does not resolve the
problem.
ChkngMeter
This generator has paralleled to the other generator
and is verifying that the metering is connected and
establishing the connection direction.
MeterUnknown
This generator does not know if the metering is
connected or the orientation of the connection. This
means that the generators can't share load accurately
until this information is known.
ConNotDeterm
APM connection auto-discovery is not complete. This
means that the generator does not know which
contactor is connected to it.
ConChecking
Performing APM connection auto-discovery.
ConCheckFail
Failure to Auto-Discover APM connections.
ContactorOk
Successful auto-discovery of APM connections.
TT-1596
8/22
Possible Causes
Incorrect configuration of one of the
generators. Different generator types.
The paralleled generator sets must be the
same kW model. (i.e. two
14RESAs/14RCAls, two
20RESA/B/C/D/20RCAs.)
RBUS disconnected, secondary controller
battery disconnected, updating firmware in
secondary controller, or intermittent RBUS
connections.
One of the two generators is incorrectly
configured.
Intermittent connections on RBUS network
wiring.
APM is unplugged.
Primary controller is powered down.
Check the battery connections. See
previous page for more information.
Intermittent connections on RBUS network
wiring. Check RBUS communication
connections.
Generator is hunting (fuel system).
Advanced speed control settings need
adjustment.
Load is changing frequently to disturb the
online generator.
Status message indicates that the CT is
connected to the generator correctly.
The CT is not connected to the controller.
The output leads from the generator do
not go through the CT in the correct
direction. See Figure 5.
Bad wiring to the CT.
Too much tension on wires from the CT to
the controller.
Status message appears the first time the
two generators are paralleled.
System commissioning and startup not yet
complete. See Section 4.
Generators not yet started in RUN with
other generator in OFF. See Section 4.4,
perform the auto-discovery procedure.
This generator has started in RUN, the
other generator is in OFF.
Wires 9A and 9B crossed between the
generators.
Wires 9A or 9B not connected
Auto-discovery was activated by placing
other generator in OFF and this generator
in RUN.
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