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Volvo EC330B Excavator Safe Start and Stop Control Overview

Volvo EC330B Excavator Safe Start and Stop Control Overview

Safe start and stop control
The optimal condition of engine start and stop is automatically set by this function. The engine can be protected from damages that may occur at engine start and stop condition.Volvo Vocom 1


1. During starting engine, Engine rpm is fixed to low idle (I2) regardless of engine rpm control switch position to protect engine from sudden rpm increase in cold period or other situation.Volvo PTT



2. During starting, if safety lever is up, this signal disengage starter to prevent from sudden movement of hydraulic function.


3. After starting, any attachment operation or speed control switch operation makes engine return to the speed set by rpm control switch.
4. When start switch is turned off,
- Start switch signal is transferred to E-ECU.
- Important data are saved to ECUs.
- EMS power cut off relay is off.
- V-ECU cut-off power to battery relay.
- Whole system power will be off.

More repair for Volvo,please refer to:Volvo Trouble Repair

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