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Factory Defaults

This screen allows you to reset system settings back
to the factory default settings. Pressing the Enter
button brings up confirmation screen; press Y (yes) to
reset or N (no) to cancel.

Note:

Resetting the system returns the engine speed

settings and alarm settings back to the factory default
settings.

g030238

Figure 37

1.

Factory Defaults

2.

Reset

When the exit screen appears, press the enter button
to go back to the Menu Selection screen.

Returning to the Default
Screen (Engine-On or
Engine-Off)

There are 3 ways to return to the default screen:

Press the previous or next arrow keys until the
Exit screen appears then press the Enter button to
return to the Menu Selection screen.

Turn the ignition key to the O

FF

position and

either restart the engine or turn the key to the O

N

position.

Press and hold the 2 outside buttons.

Setting Engine Speeds

At startup, the system defaults to the Low engine
speed. The icon on the information screen is
highlighted.

Press the button below the Efficient Speed Mode
icon to increase the engine speed to the Efficient
engine speed.

The Efficient Speed Mode icon is highlighted.

Press the button below the Maximum Speed Mode
icon to increase the engine speed to the maximum
engine speed.

The Maximum Speed Mode icon is highlighted.

Note:

If you engage the PTO switch at any speed

setting, the engine speed increases to the mow speed.

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 2,250 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 Engine Oil:

engine oil maintenance

is required.

Service Transmission Oil:

transmission oil

maintenance is required.

Low Oil Pressure:

low engine oil pressure is

detected.

Fuel Low:

fuel level is low

Engine Over Temperature:

engine over

temperature detected.

System Overvoltage>16VDC:

system voltage

is too high (greater than 16 V).

System Undervoltage<9VDC:

system voltage

is too low (greater than 9 V).

Clutch Overcurrent:

cutting clutch current is

too high.

Clutch Reset Required:

indicates that the

PTO switch must be turned off and then on to
reactivate the PTO clutch. It may also indicate
that the wing deck switch has been tripped (if
applicable).

13

 

Summary of Contents for Air Cool Z Master 96in 74090

Page 1: ...age You are responsible for operating the product properly and safely Read your Operator s Manual for more information Screen Icons The information screen uses the following icons Gauge and Meters Processing Advanced Settings Language Maintenance and Service Battery Voltage Fuel Level Engine Hours PTO Cancel Exit 2019 The Toro Company 8111 Lyndale Avenue South Bloomington MN 55420 Register at www ...

Page 2: ...s Neutral Lock Located in top row of the Information Screen Enter Return Operator Presence Control OPC Previous Maximum Engine Speed Next Efficient Engine Speed Reset Low Engine Speed Play Start Transmission Oil Maintenance Pause Stop 2 ...

Page 3: ...ntenance Decrease Yes No Located on bottom row of some menu screens Product Overview g030387 Figure 1 1 LDU Logic Display Unit 3 Audible alarm 2 MCU Master Control Unit g228164 Figure 2 LDU Logic Display Unit 1 Screen 3 Buttons 2 LED status light 3 ...

Page 4: ...A fast chirp sound indicates critical errors A slow chirping sound indicates less critical errors such as required maintenance or service intervals Note During startup the alarm sounds briefly to verify functionality Information Screens The main information screens are as follows Startup Screen page 4 Engine Off Screen page 4 Engine On Screen page 4 Startup Screen During startup the screen display...

Page 5: ...off if either the left the right or both levers are moved from NEUTRAL LOCK position while the parking brake is engaged Note Refer to the machine Operator s Manual to check the safety interlock system Engine Temperature A bar graph displays the engine temperature When the temperature is high and approaching an overheat condition the bar graph flashes When the engine has overheated the bar graph fi...

Page 6: ...gure 7 1 Hydraulic Trans Oil 2 Reminder display 3 Engine hours remaining until the service is due Press the toggle button to also display the engine hours at which every service reminder reset was performed g030187 Figure 8 1 Hydraulic Trans Oil 2 Service History display 3 Service reminder reset was performed e g 250 and 750 engine hours Engine Oil This service reminder screen displays the hours u...

Page 7: ...Engine communication highlights if module is communicating with the engine ECU PTO switch highlights if on Fuel sender voltage shows voltage Neutral switch highlights if on Brake switch highlights if on Seat switch highlights if on Oil pressure switch highlights if on Engine temperature shows temperature Wing Deck if applicable highlights if the wing decks are down and ready to mow Status of Outpu...

Page 8: ... 2 MCU 4 Software Version To exit the screen press the previous or next arrow keys Pressing the enter button takes you back to the Menu Selection screen g293225 Figure 17 1 Exit 2 Enter Return Gauges and Meters Menu You can scroll between the following screens in the Gauges and Meters menu Engine Hours page 8 PTO Hours page 9 Fuel Used page 9 Fuel Economy page 9 Trip Statistics page 9 Engine Hours...

Page 9: ...set 2 Displays US gallons liters used Fuel Economy This screen displays the US gallons liters of fuel used per engine hour g038363 Figure 22 1 Fuel Economy 2 Displays US gallons liters per hour Trip Statistics There are 5 trip statistics screens to scroll though and view g030207 Figure 23 1 Trip Statistics 2 View trip statistics Each screen features resettable counters for the following parameters...

Page 10: ...en are 0 0 0 0 g030221 Figure 26 1 Enter password 4 Enter Return 2 Active digits 5 Decrease 3 Increase The passcode is 1 9 8 2 When the active digit is highlighted press the increase or decrease buttons to scroll through digits from 0 to 9 Press enter to select the highlighted digit If you enter the incorrect password the module takes you back to the menu select screen When the correct password is...

Page 11: ...e log displays the errors starting with the most recent occurrence g030224 Figure 29 1 Historical Error 3 Number of times the error occurred during life of machine e g 3X 2 Current error e g Low Oil Pressure 4 Engine hour at which the error last occurred Alarms The alarms screen allows you to activate and deactivate the audible alarm for individual errors Press the Enter button to access individua...

Page 12: ...speed The low speed cannot be set higher than the efficient speed Note You can set the maximum speed equal to the efficient mow speed to use the efficient mode while mowing Calibrate Engine Settings This screen allows the calibration of the actual engine speed to match the commanded engine speed The enter button blacks out if the blades are not disengaged the parking brake is not engaged and the m...

Page 13: ...y 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 2 250 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 automati...

Page 14: ...he 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...

Page 15: ... and engine charging system Contact an Authorized Service Dealer System Voltage Low Blink Red System voltage below 12 3 V Check the battery and engine charging system Contact an Authorized Service Dealer System Under voltage 9VDC Blink Red Disallow clutch engagement Disengage clutch The system voltage is below the lower limit of 9 V Check the battery and engine charging system Contact an Authorize...

Page 16: ...d error displayed Engine speed drops below operating limit Wait for the engine speed to recover then cycle the PTO switch to the OFF position and then to the ON position to engage the clutch If the problem persists turn the key to the OFF position and inspect the mower deck and engine for debris Wing Deck Interlock Fault for applicable models Blink Red Disallow clutch engagement Disengage clutch W...

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