HOSE A 0310798 - Caterpillar

System Over Voltage Protection
The Machine Control ECM protects the machine solenoids and indicators from damage during an overvoltage condition. if the implement ECM determines that the current voltage of the system is above 32 volts, all solenoids will be disabled. All indicators will be disabled. If the Machine Control ECM determines that the overvoltage condition is intermittent, the solenoids will be disabled until all commands from the joystick have been in the neutral position for two seconds. The overvoltage condition is treated as a level 3 fault.Startup Lamp and Alarm Test
The Machine Control ECM tests all indicators when the machine is started. When the Machine Control ECM determines that the keyswitch has been turned ON, all indicators will illuminate for three seconds After three seconds the indicators return to their normal state.