Belarus 921.6 Operator's Manual page 75

1 – button for returning into the engine parameters displaying mode; 2 – button for turn-
ing the pages with the SCR system parameters; 3 – button for recalling the engine parameters
graphical representation; 4 – button for recalling the errors list (malfunctions); 5 – pop-up panel
reset button; 6 – pop-up panel; 7 – three sectional representation of the SCR parameters on
screen.
Figure 2.27.4 – Monitor in the SCR system parameters viewing mode with pop-up panel activated
SCR parameters are shown on four pages. Press the button 2(Figure 2.27.4)to flip the
pages with SCR parameters:
- the first page – items 18, 19, 23 ofTable 2.9.1;
- the second page – items 20, 21, 24 ofTable 2.9.1;
- the third page – items 22, 25 ofTable 2.9.1;
- the fourth page – warning about torque limiting;
Items 17, 18, 19 ofTable 2.9.1 are available for viewing in the engine parameters dis-
playing mode.
The parameter "SCR state" (item 25 of Table 2.9.1), which is shown inFigure 2.27.5,
can be in following states:
- Dormant – sleep mode (displayed after instruments activation prior to the engine start-
ing, and also when the engine is running, until the exhaust gases temperature exceeds 200
ºС, which is necessary for heating up the converter catalytic coating);
- Preparing dosing readiness – preparation for dosing (displayed after the engine is started
and informs about the SCR actions prior to dosing – AdBlue reagent heating during winter, Ad-
Blue reagent feed system pumping etc.);
- Normal dosing operation – self-explanatory;
- Error – (denotes presence of the engine or SCR operation malfunction, press the button
4 to view this malfunction (Figure 2.27.4);
- System error pending – the system awaits for the error remedying.
If there are SCR errors or malfunctions, the fourth page of SCR parameters(Figure
2.27.6)will show the torque limiting state and remaining time until the torque limiting is applied.
Figure 2.27.5 – The parameter "SCR status"
SCR system status
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921.6-0000010 OM