Toro Air Cool Z Master 96in 74090 Software Manual Download Page 4

Screen

The screen displays icons and information relative to
machine operation and is backlit for viewing in low light
situations. The screen is located above the buttons.

Refer to the

Screen Icons (page 1)

section for icon

descriptions.

LED Status Light

The LED status light is multi-colored to indicate the
system status and is located on the right side of the
panel. During startup, the LED illuminates red to
orange to green to verify functionality.

Solid Green:

indicates normal operating activity

Blinking Red:

indicates that a fault is active

Blinking Green and Orange:

indicates that a

clutch reset is required

Buttons

The multi-functional buttons are located at the bottom
of the panel. The icons displayed on the information
screen above the buttons indicate the current function.
The buttons allow you to select the engine speed and
navigate through system menus.

Alarm

If an error occurs, an error message displays, the LED
turns red, and the alarm sounds audibly as follows:

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 displays a startup graphic
for 1 second, sounds the alarm, and illuminates the
LED, changing from red to orange to green.

Engine Screens

Engine-Off Screen

When the key is on without the engine running, the
Engine-Off screen displays (

Figure 3

).

g030172

Figure 3

1.

Hours remaining until transmission oil maintenance is
required

2.

Battery voltage display

3.

Safety interlock status indicators

4.

Fuel-level gauge (if fuel sender is available)

5.

Screen toggles between hours remaining until engine oil
maintenance and non-resettable engine hour counter

Engine-On Screen

When the engine is running, the Engine-On screen
displays (

Figure 4

).

g257021

Figure 4

1.

Engine speed mode

4.

Engine speed

2.

Safety interlock status
indicators

5.

Fuel level gauge (if fuel
sender is available)

3.

Engine temperature

4

 

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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