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Fault handling
AdBlue/DEF tank level
1 When the level in the tank falls to 15%, a yellow warning indicator is lit in combination with a solid NCD
symbol.
2 When the tank level reaches 6%, the warning indicator turns red and the NCD symbol starts to flash. The
engine goes into light inducement, 75% of available torque.
3 If the tank is not filled up, the engine goes into severe inducement 7 minutes after the tank level has reached
6%. At severe inducement the engine drops to 50% of available torque level and is restricted to idle.
4 If the engine is started when the tank level falls below 6%, the engine will only run at idle.
5 To revert the engine to full power, the tank level must be above 12%. To exit the inducement, the tank level
must be above 21%.
AdBlue/DEF high temperature, quality and component faults
A
Engine rpm and torque
B
Time axis
1 When a fault is detected, a yellow warning indicator is lit in combination with a solid NCD symbol.
2 If the fault is not resolved within 3.5 hours the engine goes into light inducement, 75% of available torque.
The warning indicator turns red and the NCD symbol starts to flash.
3 After 30 minutes, the engine will drop to idle with a 50% torque reduction. The warning indicator turns red
and the NCD symbol is flashing.
4 Following restart, the engine will run at idle with a 50% torque reduction.
5 When component faults are remedied, the engine will revert to full power.
6 During severe inducement, it is possible to manually override the system actions and run the engine at full
power for 2 x 10 minutes. After 10 minutes the engine drops to 75% power. Each 10-minute period requires
a manual activation.
7 If an additional fault recurs within 40 hours after the first fault was remedied, severe inducement will be
activated 30 minutes from the moment the fault is detected.
46
EATS Inducements, VE-engines
(combined EU/US)
47713625 06-2021 © AB VOLVO PENTA
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