VALVE GP-PILOT 3100382 - Caterpillar

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Parking Brake (1) - The alert indicator will light when the parking brake is engaged. The alert indicator should come on when the engine start key is in the ON position and the engine is not running. The alert indicator should go out when the parking brake is released.
Engine Oil Pressure (2) - The alert indicator will light when the oil pressure is too low. Stop operation of the machine and correct the problem.
Hydraulic Oil Filter Bypass (3) - The alert indicator will light when the hydraulic oil bypasses the hydraulic oil filters. If this alert indicator comes on, move the machine to a convenient location. Investigate the cause. Note: In extreme cold situations, the indicator will come on until the hydraulic oil warms up.
Electronic Hystat System (4) - The alert indicator will light when a warning in the ECM is detected. If the alert indicator lights, there is a problem with the machine and the operation of the machine will be affected. Perform maintenance to the system. If the alert indicator lights and a buzzer sounds, immediately shut down the engine.
Electrical System (5) - The alert indicator will light when there is a malfunction in the electrical system. If this alert indicator comes on, the system voltage is too high for normal machine operation or too low for normal machine operation. Contact 10 for the 12-pin connector on the panel. The monitor panel is a display unit that consists of five LED lamps and an audible alarm for the operator warning. One LED is assigned to the electronic hystat system. The ECM provides 0 volts in order to illuminate the LED. The ECM provides 12 volts in order to turn off the LED. The ECM will also control the audible alarm. Contact 8 for the 12-pin connector on the panel. The ECM provides 0 volts in order to turn on the audible alarm. The ECM provides 12 volts in order to NOT turn on the audible alarm. The audible alarm is in parallel with other components that can turn on the audible alarm independently by providing a ground. The ECM will also control an alarm disarm. Contact 11 for the 12-pin connector on the panel. The ECM provides 0 volts in order to disarm the alarm. Note: Another component cannot enable the alarm when the alarm is disarmed.The ECM provides 12 volts in order to arm the alarm. Note: Diagnostics are NOT provided for the monitoring system.