Kohler 12RES Operatie - Pagina 25

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Code Fault

Description

Auxiliary fault

Indicates a shutdown initiated by pushing the emergency

input shutdown

stop switch. (TRES models only)

Not used on RES models.

High engine

Shutdown occurs if the engine coolant temperature

temperature

exceeds the maximum temperature for more than

shutdown

5 seconds. This function becomes active after the engine

reaches the crank disconnect speed.

LOP

Low oil

Shutdown occurs if a low oil pressure condition exists for

pressure

more than 5 seconds. This function becomes active

shutdown

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.

Overcrank

Shutdown occurs after 3 unsuccessful starting attempts.

shutdown

The crank 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.

Overfrequency

Shutdown occurs when the governed frequency exceeds

shutdown

110% of the system's frequency setpoint for more than 5

seconds. This function becomes active 10 seconds after

engine start (10 second inhibit).

Overspeed

Shutdown occurs if the engine speed exceeds 110% of the

shutdown

normal running speed for more than 0.3 seconds.

Overvoltage

Shutdown occurs if the voltage exceeds 120% of the

shutdown

system nominal voltage for more than 2 seconds.

Underfrequency

Shutdown occurs if the governed frequency falls below

shutdown

54 Hz for more than 5 seconds.

Shutdown also occurs if the governed frequency falls below

56.5 Hz for more than 60 seconds.

This function becomes active 10 seconds after engine start.

(10 second inhibit).

Undervoltage

Shutdown occurs if the voltage falls below 80% of the

shutdown

nominal system voltage for more than 10 seconds.

High battery

Fault code is displayed if the engine starting battery voltage

voltage warning

rises 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.

Low battery

Fault code is displayed if the engine starting battery voltage

voltage warning

falls 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 2-5 ADC-RES Fault Codes

TP-6515 2/21

Check

Check the position of the emergency

stop button. (TRES models only)

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.

Contact an authorized