Error Messages - Toro 74946 Software Manual

Adjusting the
Electronically-Controlled
Low Mode Speed
Adjustment
When operating in low mow mode, press and hold the
Low Speed Mode button reduce the engine speed
(minimum of 2250 rpm). Press the Low Speed Mode
button again to return the engine to the default setting.
Auto Idle Down Mode
If the operator leaves the seat and the safety interlocks
allow the engine to remain running, the system enters
the auto idle mode and automatically set the engine
speed to the low transport speed. When you return
to the seat, the system automatically returns to the
previously selected engine speed mode. If you select
another engine speed setting, the system exits the
auto idle mode and the engine runs at the selected
speed.

Error Messages

If an error occurs, a message displays in place of the
engine temperature, engine speed, and fuel level. In
addition to displaying the fault as text, the system
turns the LED red and sounds the audible alarm.
•
The system is capable of displaying the following
errors:
– Service Air Filter: An air filter is required.
– Service Engine Oil: Engine oil maintenance
is required.
– Service Transmission Oil: Transmission oil
maintenance is required.
– Service Deck Gearbox Oil (as applicable):
Deck gearbox oil maintenance required.
– Low Oil Pressure: Low engine-oil pressure is
detected.
– Fuel Low: The fuel level is low.
– Engine Over Temperature: The engine over
temperature is detected.
– System Overvoltage>16VDC: The system
voltage is too high (greater than 16 V).
– System Undervoltage<9VDC: The system
voltage is too low (greater than 9 V).
– Clutch Overcurrent: The cutting clutch
current is too high.
– Clutch Reset Required: The PTO switch
must be turned off and to activate the PTO.
– Engine Error Codes: The system displays
engine error codes provided by the engine
manufacturer.
– Clutch Output Failure: The clutch output is
open or shorted.
– System Voltage Low: The voltage is too low
(less than 12.3 V).
– Engine Communication Error: The
communication between engine and module
was lost.
– Module Communication Error: The
ommunication between the LDU and MCU
modules was lost.
•
You can acknowledge and silence some of the
errors listed above. Move the motion-control
levers to the N
EUTRAL
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
◊ Service Air Filter
◊ Service Deck Gear Box
– 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
◊ Engine Limp Mode Active
•
In order to protect the system components from
exceeding threshold limits, the system is designed
to limit the engine speed and/or disengage the
13
-L position and press
OCK