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TP-6905 6/14 23Section 2 Generator Set Operation
Fault (RDC2)
Fault (OnCuer
Plus)
Condition Check
AC Sens Loss
Warning
(1 sec.)
Shutdwn
(3 sec.)
AC Sensing
Lost
AC Sensing Lost. In Auto mode, generator
output AC sensing is lost. Detection begins 10
seconds after crank disconnect.
Warning: after 1 second if no output detected
after crank disconnect.
Shutdown: after 3 seconds if voltage was
present and then lost.
Contact an authorized
distributor/dealer for service.
Accy PwrOver
Warning
Accessory
Power Overload
Accessory Power Overload. An over current
fault (short circuit) on the accessory controller
power output.
Contact an authorized
distributor/dealer for service.
Alt Protect
Shutdwn
Alternator
Protection
High generator current is detected. The
generator set shuts down to protect the
alternator from damage caused by
overheating the windings. (30RCLH only)
Reduce the load by turning off
appliances.
ATS ComError
Warning
ATS
Communication
Error
AT S Communication Error. Warning is
displayed if RXT interface connection is lost.
See Section 2.6.3.
Check communication wiring between
transfer switch interface board and
generator set.
ATS PhaseRot
Warning
ATS Phase
Rotation
Mismatch
AT S Phase Rotation Mismatch. Transfer
switch phase rotation does not match. ATS
will not transfer.
Correct the ATS connection. Refer to
the ATS Installation manual, wiring
diagrams, and labels on the transfer
switch.
Aux Input
Shutdwn
Auxiliary Input Auxiliary Input. An optional
customer-connected input is closed. (Digital
input from optional PIM.)
Check customer-supplied equipment.
Batt Chg Flt
Warning
Battery Charger
Fault
Engine starting battery voltage rises above
150% (18 Volts) of the battery voltage setting
for more than 10 seconds. Inhibited during the
engine crank cycle.
Clears when the battery voltage returns to an
acceptable level.
Check external battery charger.
Battery CrLo
Warning
Critically Low
Battery Voltage
Engine starting battery voltage falls below 11
V for more than 10 seconds. Inhibited during
the engine crank cycle.
Clears when the battery voltage returns to an
acceptable level.
Check the battery rating and
condition.
Check the battery charger operation.
Charge or replace the battery.
Battery High
Warning
High Battery
Voltage
Engine starting battery voltage rises above
133% (16 V) of the battery voltage setting for
more than 10 seconds. Inhibited during the
engine crank cycle.
Clears when the battery voltage returns to an
acceptable level.
Check the battery rating and
condition.
Check the battery charger operation.
Battery Low
Warning
Low Battery
Voltage
Engine starting battery voltage falls below the
battery voltage setting (typically 12.5 volts) for
more than 90 seconds when the engine is not
running. Inhibited during the engine crank
cycle.
Clears when the battery voltage returns to an
acceptable level.
Check the battery rating and
condition.
Check the battery charger operation.
Charge or replace the battery.
Chk DateTime
Warning
Verify Date
Time Setting
The time and date have not been set on the
generator controller.
Enter the date and time using the
RDC2 controller. See Figure 3-8 and
Figure 3-16.
Coolant Lvl Low
Shutdwn
Low Coolant
Level Shutdown
The coolant level switch input has been
activated.
Check coolant level.
Check radiator hoses for leaks.
Contact an authorized
distributor/dealer for service.