–
Engine Error Codes:
the system displays
engine error codes provided by the engine
manufacturer.
–
Clutch Output Fault:
clutch output is open or
shorted.
–
System Voltage Low:
voltage is too low (less
than 12.3 V).
–
Engine Communication Error:
communication lost between the engine
and module.
–
Module Communication Error:
communication is lost between the LDU
and MCU modules.
–
Anti-Stall Active:
the mower deck has been
disengaged in order to prevent the engine
stalling.
–
Wing Deck Interlock Fault (applicable
models):
the signal from the deck sensors
indicates that the wing deck has not been fully
lowered.
•
You can acknowledge and silence some of the
errors listed above. Move the motion-control
levers to the N
EUTRAL
-L
OCK
position and press
and hold the middle button.
Acknowledging an error removes the error
message from the engine temperature, engine
speed, or fuel level icon area and silence the
audible alarm. However, the error continues
to display on the active error screen in the
Maintenance and Service Menu and the status
LED continues to be illuminated red.
– The following errors emit a slow chirping sound
that you can acknowledge and silence:
◊
Service Engine Oil
◊
Service Transmission Oil
◊
Fuel Low
◊
Clutch Overcurrent
◊
Clutch Reset Required
◊
Engine Error Codes
◊
Anti-Stall Active
– The following errors emit a fast chirping sound
and can be acknowledged and silenced:
◊
System Overvoltage>16VDC
◊
System Undervoltage<9VDC
– The following error codes emit a fast chirping
sound and cannot be acknowledged or
silenced.
◊
Low Oil Pressure
◊
Engine Over Temperature
◊
Engine Communication Error
◊
Module Communication Error
◊
Clutch Output Failure
•
In order to protect the system components from
exceeding threshold limits, the system limits the
engine speed and/or disengages the clutch, which
allows you to drive the machine onto a trailer or
return to a service area.
These are the following errors that may occur:
1.
Clutch Overcurrent
If an overcurrent event occurs, the system
limits the engine speed to the Efficient
Transport Mode speed and places the
machine in Safe Transport Mode. Safe
Transport Mode limits the engine speed,
locks out the PTO, and disengages the
clutch; a Clutch Overcurrent error message
will display. Cycling the key switch to the O
FF
and then to the O
N
position clears the fault.
2.
System Overvoltage>16VDC
If the voltage exceeds 16 V, the system will
disengage the clutch and displays a System
Overvoltage>16VDC error message.
3.
System Undervoltage<9VDC
If the voltage is less than 9 V, the system
will not allow clutch engagement and display
the error System Undervoltage<9VDC. If
the clutch was engaged before the error
occurred, the system allows the clutch to
remain engaged; however, low voltage may
cause the clutch to disengage itself.
4.
Low Oil Pressure
If low engine-oil pressure is detected, the
system limits engine speed to the Efficient
Transport Mode speed and places the
machine in Safe Transport Mode. Safe
Transport Mode limits the engine speed,
locks out the PTO, and disengages the
clutch; a Low Oil Pressure message will
display. Cycling the key switch to the O
FF
and then to the O
N
position clears the fault.
5.
Engine Over Temperature
When the engine begins to overheat, the
system flashes the engine temperature
bar graph and chirps the audible alarm.
If the temperature rises above the upper
limit, the system limits the engine speed
to the Efficient Transport Mode speed and
places the machine in Safe Transport Mode.
Safe Transport Mode limits the engine
speed, locks out the PTO, and disengages
the clutch; an Engine Over Temperature
message displays. The fault clears once the
temperature falls below a safe limit.
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