OPERATING PROCEDURES GRT655/655L OPERATOR MANUAL
4-48 Published 3-23-2020, Control # 654-04
The following Diesel Exhaust Fluid Level Indicator appears
in the left Alerts Area of the ODM on all function screens
except the Main Screen.
Item Description Graphic Explanation
41
Diesel Exhaust Fluid
Level Indicator (Tier 4
only)
Indicates the DEF level is above 10% full (0.83 gal).
Low Diesel Exhaust
Fluid Level Indicator
(Tier 4 only) (Amber -
Constant On)
Indicates the DEF level is between 0% full (0.0 gal) and 10% full
(0.83 gal).
If the DEF tank is not filled, after some time the Engine Warning
Indicator will come on (constant).
Low Diesel Exhaust
Fluid Level Indicator
(Tier 4 only) - (Amber -
Flashing)
Indicates the DEF tank is empty.
If the DEF tank is not filled, an engine derate will occur.
If the operator continues to run the engine and the DEF fluid tank is
not filled, after some time the Engine Stop Indicator will come on
(constant) and a more severe engine derate will occur.
If the operator continues to run the engine and the DEF fluid tank is
not filled, after some time the Engine Stop Indicator will begin to
flash. Engine shutdown will occur approximately 30 seconds after
the Engine Stop Indicator begins to flash.
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