TP-6881 7/15 59Section 4 Troubleshooting
Fault Message CheckDescription/ CommentsAction
ATS Fail Xfr Warning
(ATS fail to transfer)
Warning The RXT ATS has reported a fail to
transfer, the digital output for ATS Fail
To Transfer (PIM) is active (contacts
closed).
Consult ATS manual for
troubleshooting.
ATS PhaseRot Warning
(ATS phase rotation)
Warning The RXT ATS has reported a Phase
Rotation Mismatch (3 phase only) and
the ATS will not transfer.
Check wiring to ATS.
Consult ATS manual for
troubleshooting.
Aux Input Shutdwn *
(Auxiliary input shutdown)
Shutdown The controller shut down the generator
because the digital input for a custom
shutdown (AuxiliaryInputShutdown -
PIM) was activated (low).
Check customer equipment
connected to the PIM module.
Aux Input Warning *
(Auxiliary input warning)
Warning The digital input for a custom warning
(AuxiliaryInputWarning - PIM) is active
(low).
Check customer equipment
connected to the PIM module.
Batt Chg Flt Warning *
(Battery charger fault warning)
Warning The digital input for Battery Charger
Fault Warning (PIM) is active (low). For
an external battery charger only, not
applicable to the RDC2 built-in battery
charging.
Check customer equipment
connected to the PIM module.
Battery CRLow Warning [ Warning Battery voltage dropped to 11 VDC or
less for 30 seconds or more.
Check engine starting battery.
Check battery charger DC
output voltage from RDC2 on
P1-1 to the battery.
Battery High Warning Warning The controller has measured battery
voltage that is above the high warning
setting for 10 seconds or more.
Operates during exercise and normal
operation.
Check engine starting battery.
Battery Low Warning [ Warning The controller has measured battery
voltage that is below the low warning
setting for 90 seconds or more.
The battery voltage is checked before
allowing an exercise to start.
Check engine starting battery.
Check battery charger DC
output voltage from RDC2 on
P1-1 to the battery.
Chk DateTime Warning
(Check date and time warning)
Warning DC power to the controller has been
interrupted and the date and time may
not be correct. Event history may not
have accurate time/date s tamps.
Verify the time and date
settings to ensure proper
operation of scheduled
operations and for event
history logging.
Emerg Stop Shutdwn Shutdown The controller shut down the generator
because the emergency stop circuit was
tripped (open circuit).
Check E-stop circuit for open
switches, broken wires,
disconnected wires, etc.
Engine M/N Invalid Shutdwn Shutdown Generator model number has not been
entered. (Engine model number is
selected automatically based on
generator set model.)
Enter the generator set model
number from the RDC2
keypad, or use SiteTech to
select the genset model
number.
Engine Speed High Shutdwn Shutdown The controller shut down the generator
because engine speed, as calculated
from AC frequency, was above the high
speed setting for 0.3 seconds or more.
Troubleshoot engine
operation per the engine
service manual.
Engine Speed Low Shutdwn Shutdown The controller shut down the generator,
after crank disconnect, because engine
speed, as calculated from AC
frequency, was below the low speed
setting for 3 seconds or more.
Troubleshoot engine
operation per the engine
service manual.
Exer Not Sch Warning Warning There is no exercise scheduled. Set the exercise schedule.
* Programmable Interface Module (PIM) required.
[ Applies during exercise runs and normal operation.
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