Kohler 18RES Manuel d'utilisation - Page 17
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Code Fault
Description
AF
Auxiliary fault
Not used.
input shutdown
HE
High engine
Shutdown occurs if the engine coolant temperature exceeds the
temperature
maximum temperature for more than 5 seconds. This protective
shutdown
becomes active after the engine reaches the crank disconnect
speed.
LOP
Low oil pressure
Shutdown occurs if a low oil pressure condition exists for more than
shutdown
5 seconds. This protective becomes active 30 seconds after the
engine has reached crank disconnect speed (30 second inhibit).
Note: The low oil pressure shutdown does not protect against low
oil level. Check the oil level at the engine.
OC
Overcrank
Shutdown occurs after 3 unsuccessful starting attempts. The crank
shutdown
cycle is set for three starting attempts of 15 seconds cranking and
15 seconds rest.
Locked rotor
The generator set also shuts down on OC if no engine rotation is
sensed during cranking. Shuts down 3 seconds after the fault is
detected.
OF
Overfrequency
Shutdown occurs when the governed frequency exceeds 110% of
shutdown
the system's frequency setpoint for more than 5 seconds. This
protective becomes active 10 seconds after engine start
(10 second inhibit).
OS
Overspeed
Shutdown occurs if the engine speed exceeds 110% of the normal
shutdown
running speed for more than 0.3 seconds.
OU
Overvoltage
Shutdown occurs if the voltage exceeds 120% of the system
shutdown
nominal voltage for more than 2 seconds.
UF
Underfrequency
Shutdown occurs if the governed frequency falls below 54 Hz for
shutdown
more than 5 seconds.
Shutdown also occurs if the governed frequency falls below
56.5 Hz for more than 60 seconds.
This protective becomes active 10 seconds after engine start.
(10 second inhibit).
UU
Undervoltage
Shutdown occurs if the voltage falls below 80% of the nominal
shutdown
system voltage for more than 10 seconds.
HB
High battery
Fault code is displayed if the engine starting battery voltage rises
voltage warning
above 16 VDC for more than 30 seconds when the engine is
running. Not operative during the engine crank cycle, this fault
condition does not inhibit engine starting.
The fault condition clears when the battery voltage returns to an
acceptable level.
LB
Low battery
Fault code is displayed if the engine starting battery voltage falls
voltage warning
below 11 VDC for more than 30 seconds when the engine is not
running. Not operative during the engine crank cycle, this fault
condition does not inhibit engine starting.
The fault condition clears when the battery voltage returns to an
acceptable level.
Figure 2-4 ADC-RES Fault Codes
TP-6515 10/07
Check
—
Check for blocked air inlets and exhaust
outlets.
Check for leaks in the lubrication system.
Check the oil level and add oil if the level
is low.
Check the fuel supply, spark plug, and
battery.
Check for loose connections.
Check for loose connections.
Contact an authorized distributor/dealer for
service if problem continues.
Contact an authorized distributor/dealer for
service if problem continues.
Contact an authorized distributor/dealer for
service if problem continues.
Contact an authorized distributor/dealer for
service if problem continues.
Reduce the load and restart the generator
set.
Contact an authorized distributor/dealer for
service if problem continues.
Reduce the load and restart the generator
set.
Contact an authorized distributor/dealer for
service if problem continues.
Check the battery rating and condition.
Check the battery charger operation.
Check the battery rating and condition.
Check the battery charger operation.
Charge or replace the battery.
Section 2 Operation
17