The soft menu screen also displays engine torque
percentage, DEF tank level, engine oil pressure, total
hours of operation, and fuel level in the lower left
quadrant of the screen. (Figure 4-6)
1
2
3
4
Figure 4-6. Status Quadrant
1 - DEF Tank Level
2 - Engine Oil Pressure
3 - Engine Total Hours of Operation
4 - Fuel Level
Warning lights will illuminate and fault codes will also
display:
• The engine oil light is normally illuminated green,
but will illuminate red if the hydraulic or engine oil
pressure is too low and display a warning icon on the
screen.
• A warning icon will also display if the hydraulic or
engine oil temperature is too high.
• Other warning and status icons may also illuminate.
(Table 4-3)
Refer to Section 5, Troubleshooting, for a complete
list of Fault Codes.
Table 4-3. Status Icons
Status
Icon
Description
Check Engine. When this lamp is illuminated
yellow, a fault exists within the control
system.
Take action immediately to
correct the fault.
Stop Engine. Illuminates red (and may ash)
when continued operation could result in
damage to the exhaust system. Shut down
the engine and do not operate the machine
until repair has been made. Contact your
authorized dealer if needed.
Park Brake. The park icon displays when
the parking brake is applied.
Alternator. Illuminates when the alternator
isn’t charging properly.
Coolant. Illuminates when the engine is
running too hot.
Fuel. Illuminates when the fuel tank is almost
empty.
Hydraulic Oil. Illuminates to warn operator
when the hydraulic oil is too hot.
Oil Pressure. Illuminates when the oil
pressure is low. A wavy line underneath
indicates the engine oil level is too low.
DEF Tank Level Warning Icon. This lamp
illuminates if the DEF tank level runs low
(below 15 percent). Rell the DEF tank.
DEF Lamp with Check Engine Lamp. The
yellow check engine and DEF tank warning
lamps illuminate if DEF tank is critically low.
Rell the DEF tank. Engine power will be
reduced, but will return when lled.
Diesel Exhaust Fluid (DEF) System
Warning. Indicates a failure of the emission
system or that engine emissions are too
high. The DEF may be contaminated and
need to be replaced, or the system may need
service. Contact your authorized dealer for
assistance if needed.
4
Operation
LeeBoy 685D Motor Grader 4-9
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