Volvo EC360B Emergency Control Overview

This illustration show Volvo EC330B excavator emergency control.

Volvo EC360B Emergency Control Overview

This function is for emergency operation when malfunction of data bus or V-ECU has occurred.Volvo Techtool diagnostic tool
1. When there is communication error, E-ECU realizes this condition and automatically goes to the
emergency mode. If emergency switch is in neutral position, engine speed will be emergency low speed
and maximum current will be supplied to power-shift valve from V-ECU.
2. When there is communication error, E-ECU realizes this condition and automatically goes to the
emergency mode. If emergency switch is up position, engine speed will be emergency high speed and
power-shift valve current is set to the value that corresponds to 85% of the maximum pump input torque
from V-ECU.
3. When malfunction of V-ECU, Emergency switch control the engine speed and Auto-Manual switch decide
power shift current with resistor box. Machine can use 85% of the maximum pump input torque.
4. Emergency switch have emergency stop function when engine is still running after turning off the keyswitch.
** Emergency low-high speed can be adjusted by Volvo VCOM 1.

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