3512B Petroleum Engines Caterpillar

The ECM automatically warns the operator of high fuel filter differential pressure. The default settings that are programmed at the factory are listed in Table 1.

Table 1

Fuel Filter Differential Pressure
Parameter	Default Setting
Warning setpoint	70 kPa (10 psi)
Warning delay	5 seconds
Hysteresis	10 kPa (1.5 psi)
Security level	No required password

If the fuel filter differential pressure is above 70 kPa (10 psi) for five seconds, a warning will occur. To deactivate the warning, the fuel filter differential pressure must be below 60 kPa (8.7 psi).