Case 2050M, Operator'S Manual, Page: 62 / 286

3 - CONTROLS AND INSTRUMENTS
Non-critical warnings
Display Description Corrective action
Parking brake
Parking brake engaged and
machine shifted forward or reverse
Put the joystick in neutral and release the parking brake.
Coolant
temperature
High engine coolant temperature
1. Idle machine and monitor temperature.
2. Clean radiator or operate fan reverser (If equipped).
3. Check coolant level and add coolant, if necessary.
4. If condition persists, contact your dealer.
Hydraulic
temperature
High hydraulic temperature
1. Idle machine and monitor temperature.
2. Clean cooler or operate fan reverser (If equipped).
3. Check hydraulic fluid level.
4. If condition persists, contact your dealer.
Air filter High air filter restriction
1. Clean air filter.
2. Replace primary and secondary filters.
3. If condition persists, contact your dealer.
Hydraulic filter Hydraulic filter restriction
1. Replace hydraulic filter
2. If condition persists, contact your dealer.
Voltage Alternator malfunction
1. Check electrical system.
2. Voltages are out of range.
3. Change operating procedure.
4. If condition persists, contact your dealer.
DEF level low
DEF level is less than 15 % of tank
volume. No engine power loss at
this level Fill DEF tank.
DEF level low.
Power limited
DEF level is less than 5 % of tank
volume. There will be moderate
engine power level loss. Fill DEF tank.
Poor DEF quality
detected
High NOx level detected. Drain tank. Replace DEF.
DEF injection failed
After engine has run for 3 hours
with high NO
X
level detected,
there will be a torque and speed
reduction.
Drain tank. Replace DEF.
Poor DEF quality
detected
After engine has run for an
extended period of time with high
NO
X
level detected, the engine
may stop.
Drain tank. Replace DEF.
DEF injection
failed.
Torque limited
Technical failure detected.
Contact your authorized dealer.
DEF injection
failed.
Power limited
Technical failure detected. Torque
reduction may be experienced.
Contact your authorized dealer.
DEF injection
failed.
Torque limited
Technical failure detected. Torque
reduction may be experienced.
Contact your authorized dealer.
Fuel Low fuel
Fill fuel tank - do not allow tank to totally empty.
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