303.5E2, 304E2, 305.5E2 and 305E2 Mini Hydraulic Excavators Caterpillar

General Information

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(1) Main Menu - Press this button for access to settings, control mode, work tool, maintenance and performance info, security system and service settings.

(2) Home Screen Layout - Press this button to change several different home screen layouts.

(3) AUX Flow Adjust - Press this button to change the AUX flow.

(4) Auto Engine Idle - Press this button to change Work Mode.

(5) Control Pattern - This button changes between ISO and Old SCM patterns.

(6) Button Indicator - Icon displays the current shortcut assigned to the button.

(7) Status Icons

(8) Engine Speed Dial Indicator - Indicates the engine RPM from 1 to 10. The engine RPM is changed on the rotary dial next tot the ignition.

(9) 12-hr or 24-hr Clock - The time can be adjusted in the service menu. For more information refer to "Adjust the Clock".

(10) Fuel Gauge - Indicates the fuel level in the tank. The exact percentage can be found in the performance info.

(11) Coolant Temperature Gauge - Indicates the machine coolant temperature. The exact temperature can be found under the performance info feature.

(12) Action Lamps - Hydraulic oil temp, coolant temp, fuel low, and service required.

(13) Action Alarm

Note: Buttons 2 through 5 can be changed in the system settings. See "Change the Shortcut Buttons" for further information.

Status Icons

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(1) Low Speed (turtle) or High Speed (rabbit)

(2) Auto Engine Idle

(3) Pattern Changer selection

(4) Work-tool select (this symbol is user define)

(5) Continuous Flow

Home Screen Layout

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The home screen may be changed to several different layouts. The user may change the display by selecting the Home Screen button.

Note: The Home Screen button may be assigned to button 2 through button 5. Refer to "Change the Shortcut Buttons" for more information. Home Screen Layout menu can be selected on only Shortcut Icons. If you removed Home Screen Layout icon from the shortcuts, you cannot use this function until setting this function to shortcuts again.

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Press the Home Screen button to cycle through the displays.

Prestart Monitoring Function

Turn the engine start switch to the ON position.

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After approximately one second, Illustration 5 appears in the display and the alert indicator turns on.

The coolant temperature, the fuel level, and the position of the engine speed dial are now indicated.

The service hours for the filters are checked first. Then, the service hours for the fluids are checked. If a filter or a fluid is over the recommended change interval, "CHECK FLTR/FLUID INFO" appears on the display. Refer to Operation and Maintenance Manual, "Maintenance Interval Schedule" for more information. This message will disappear after 5 seconds.

Warning Operation

The monitoring system provides three warning categories.

• The first warning category requires only operator awareness. This type of warning will be indicated by a message on the display screen.

• The second warning category requires a change to the machine operation or a change to the maintenance of the machine. This type of warning will be indicated by a message on the display screen and by a blinking of the Action Lamp.

• The third warning category requires immediate shutdown of the engine. This type of warning will be indicated by a message on the display screen, by a blinking of the Action Lamp and Action Alarm.

If multiple warnings are present in the system, the most important problem is shown first. Press the right key or press the left key to view all of the warnings that are present in the machine. If no keys are pressed within 5 seconds, the display will return to the most important problem.

Note: The menu is still functional by pressing the menu key.

Warning Category 1

In this category, only a warning will be shown in the display screen. This category alerts the operator that the machine system needs attention. Failure of these systems will not endanger the operator. Failure of these systems will not cause serious damage to the machine components.

"BATTERY VOLTAGE IRREGULAR" - The electrical charging system is malfunctioning. Check the electrical components of the charging circuit immediately. Perform any necessary repairs.

"FUEL LEVEL LOW" - The fuel in the tank is low on fuel. Refill the fuel tank.

Warning Category 2

"COOLANT TEMP HIGH" - The coolant temperature is too high. Stop operating the machine and run the engine at low idle until the coolant temperature decreases to the correct level. If the warning stays on during low idle, stop the engine. Check the coolant level and check the radiator for debris. Refer to Operation and Maintenance Manual, "Cooling System Coolant Level - Check". Check the fan drive belts for the water pump. Refer to Operation and Maintenance Manual, "Belts - Inspect/Adjust/Replace". Make any necessary repairs.

"HYD OIL TEMP HIGH" - The hydraulic oil temperature is too high. Stop operating the machine and run the engine at low idle until the hydraulic oil temperature decreases to the correct level. If the warning stays on during low idle, stop the engine. Check the hydraulic oil level and check the hydraulic oil cooler for debris. Perform any necessary repairs as soon as possible.

"ECM ERROR" - The ECM has malfunctioned. Contact your Cat Dealer.

"MONITOR ERROR" - The monitor has malfunctioned. Contact your Cat Dealer.

"SERVICE REQUIRED" - The machine has detected a malfunction. Contact your Cat Dealer.

Warning Category 3

"ENG OIL PRESS LOW" - The engine oil pressure is too low. Stop the machine immediately. Stop the engine and investigate the cause of the problem. Do not operate the machine until the cause of the problem has been corrected.

Other Messages

Miscellaneous

"NOT CONFIGURED" - This is a general warning that indicates that a machine component needs to be configured.

"NOT CALIBRATED" - This is a general warning that indicates that a machine component needs to be calibrated.

Glow Plug - This indicator will appear in the message display when the engine start switch is in the ON position.

Security System Password Entry

Turn the key to ON and the monitoring system boots up. The password needs to be put into the monitor so the monitor may shift to the default screen outside the moratorium of the security system.

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Main Menu (Menu Description)

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1. Push the menu button 1 when the default display is active.

2. The "MAIN MENU" will be displayed with the seven following menu options: Setting, Control mode, Work tool, Maintenance information, Performance information, Service, and Security system (Owner Mode Only). For more information on these menus, refer to the respective descriptions below.

3. Press button 2 or button 4 to highlight the desired menu. Press button 3 to open the desired menu.

   Note: Press button 5 or button 1 to exit this menu and return to the default display.

Settings Menu

The "SETTING" menu allows the operator to change the various machine settings.

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1. Press button 1.

2. Press button 2 or button 4 to highlight the "SETTING" menu. Press button 3.
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3. The "SETTING" menu will be displayed with five new menu options: Camera setting, Display setting, Continuous flow setting, User Name Setting, and Job Clock Reset. For more information on these menus, refer to the respective descriptions below.

4. Press button 2 or button 4 to highlight the desired menu. Press button 3 to open the desired menu.

   Note: Press button 1 to return to the default display.

Camera Setting

The camera options can be adjusted on the monitor screen through the "CAMERA SETTING" feature.

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1. Press the top button (1) to access the main menu.

2. Select "SETTING" then "CAMERA SETTING".

3. Three new options are presented to the user: Screen Select, Contrast, Brightness, and Saturation.

Screen Select

1. Select "SCREEN SELECT" to change the camera display.
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   Note: Two new options will appear: "FULL SCREEN" and "WIDE SCREEN".

2. Use buttons 2 and 4 to highlight the desired option. Select an option by using button 3.

3. Press the top button (1) to return to the main menu.

Contrast

Note: The contrast for the camera display can be adjusted between 0 and 127. The default contrast value is set to 2.

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Use button 2 to increase the contrast level and button 5 to decrease.

Select "OK" to save the adjusted level and return to the "CAMERA SETTING" menu.

Brightness

Note: The camera display brightness can be adjusted between -64 and 63. The default brightness value is set to 3.

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Use button 2 to increase the brightness level and button 5 to decrease.

Select "OK" to save the adjusted level and return to the "CAMERA SETTING" menu.

Saturation

Note: The camera display saturation can be adjusted to a maximum of 127. The default saturation level is set to 4.

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Use button 2 to increase the saturation level and button 5 to decrease.

Select "OK" to save the adjusted level and return to the "CAMERA SETTING" menu.

Display Settings

Adjust the Clock

The clock current time may be changed by the following steps:

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1. Press the top button to access the main menu. Select "SETTING", "DISPLAY SETTING".

2. Select "CLOCK ADJUST" to change the current time.
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3. Adjust the hour to the desired time by using the arrows and press "OK".

4. The minutes will now be selected. Adjust the minutes to the desired time by using the arrows. Press "OK" to save and return to the home screen.

Language Select

The user may change the language preference of the monitor display.

Change the system language by following these steps:

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1. Press the top button to access the main menu. Select "SETTING", "DISPLAY SETTING", then "LANGUAGE SELECT".

2. Use buttons 2 and 4 to navigate to the desired language and select "OK" when highlighted.

Brightness

The monitor screen brightness may be adjusted through the display settings options.

Change the brightness by use of the following steps:

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1. Press the top button to access the main menu. Select "SETTING", "DISPLAY SETTING", then "BRIGHTNESS NIGHT" or "BRIGHTNESS DAY".

2. Use button 2 to increase the brightness level and button 4 to decrease.

   Note: The green indicator meter displays the current set brightness level. May be increased to a maximum of 10.

3. Select "OK" when the desired level is reached.

Change the Shortcut Buttons

The monitor comes with preset shortcuts for each button. These buttons can be changed to be a shortcut for several different features.

Note: Change the shortcuts to the customers preference by following these steps:

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1. Press the top button for main menu. Select "SETTING", "DISPLAY SETTING" then "SHORTCUT SETTING".
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2. Choose one of the options from the list to set up a shortcut and press "OK".
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3. Choose the button you would like this option to be a preset for and press "OK".

Metric / Imperial

Measured units may be displayed in either metric or imperial format.

The user may change the unit preference by the following steps:

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1. Press the top button to pull up the main menu. Select "SETTING", "DISPLAY SETTING" then "METRIC / IMPERIAL".
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2. Use the enable button next to the desired measurement unit. The display will return to the home screen when option is selected.

Display Setting Screen (12/24H Time)

The clock can be set to any time on a 24-hr or 12-hr format.

The clock format and current time may be changed by the following steps:

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1. Press the top button to access the main menu. Select "SETTING", "DISPLAY SETTING" then "12H/24H TIME".

2. Use buttons 2 or 3 to select the desired format.

3. Return to the "DISPLAY SETTING" menu by pressing button 5.

Continuous Flow Set

Note: The continuous flow set may be adjusted between 1 second and a maximum 5 seconds with an increment of 0.5 seconds.

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1. Press the top button to access the main menu.

2. Select "SETTING" then "CONTINUOUS FLOW SET".
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3. Use button 2 to increase the time and button 4 to decrease.

4. Select "OK" to save the desired level and return the home screen.

User Name Setting

The user may set a desired system name when logged into the monitor display.

This user name can be set by the following steps:

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1. Press the top button to access the main menu. Select "SETTING" then "USER NAME SETTING" to display the user name change screen.
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   User name setting screen (1) Move Up (2) Move Down (3) Select (4) Move Left (5) Move Right (6) User name display (7) Clear all (8) Save changes and return to "SETTING" menu (9) Return to "SETTING" menu without saving changes (10) Return to home screen

2. Use buttons 1 through 5 to navigate the screen.

   Note: The character that is currently selected will be highlighted in blue.

3. Save and exit by selecting the return icon (8) once the desired user name is entered.

Job Clock Reset

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1. Press button 1 to pull up the main menu.

2. Select "Setting" then "Job Clock Reset" to display the Job Clock reset screen.

Control Mode Menu

The "CONTROL MODE" menu allows the operator to change the various control modes.

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1. Press button 1 to pull up the main menu.

2. Press button 2 or button 4 to highlight the "CONTROL MODE" menu. Press button 3 to select.
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3. The "CONTROL MODE" menu (1) will be displayed with the following four menu options: Control-pattern and Work-mode-select: Auto Idle Mode Display Camera and Shovel Crane(If equipped). For more information on these menus, refer to the respective descriptions.

4. Press button 2 or button 4 to highlight the desired menu. Press button 3 to open the desired menu.

   Note: Press button 1 to return to the default display.

Shovel Crane (If equipped)

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When the Shovel crane mode is selected, shovel crane ready popup message will be shown on the monitor. To activate the crane mode, keep Retracting the Bucket until the crane mode is activated.

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(1) Measured Weight (2) Rated Weight

While the Shovel Crane Mode is activated, a main display shows loading information on the bottom of the screen.

Work Tool Menu

The "WORK TOOL" menu allows the operator to change the various work tool settings.

1. Press button 1 to access the main menu.
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2. Press button 2 or button 4 to highlight the "WORK TOOL" menu. Press button .
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3. The "WORK TOOL" menu will be displayed with the five following menu options: Continuous Flow, Quick Coupler, AUX1 Flow Adjust, AUX1 Flow Save and Work Tool Select.
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4. Continuous Flow: Select Continuous Flow ON or Continuous Flow OFF. Continuous Flow "ON": The operator controls the modulation and the "ON" and "OFF" function with the switch on the right-hand joystick. To set continuous flow, hold the switch to the desired modulation until continuous flow turns on. Once the continuous flow begins, release the switch. Continuous flow will stop operating when the switch is moved or the hydraulic lockout is lifted, and when the machine is turned off.
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5. The Auxiliary 1 Flow Adjust can be set between 1 and 15. Press button 2 to increase the flow. Press button 4 to decrease the flow then press OK.

6. Auxiliary 1 Save: When the "user define" tool is selected, the Auxiliary Flow can be saved to any desired setting. To save the Auxiliary Flow, follow these steps:
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   Press Main menu and go to Work tool.

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   Go to "AUX1 FLOW ADJUST", Set flow, Press "OK", go to "AUX1 Flow Save" and press "OK".

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   1. A message will pop up to confirm the saved changes. The "User Define" work tool is now saved at the desired flow and will remain at that setting until changed.

Note: To set "User Define": choose "User Define". Set Auxiliary 1 or Auxiliary 2 Flow Adjust . Save by selecting Auxiliary Flow Save. Press OK.

Maintenance Information Menu

The "MAINTENANCE INFO" menu allows the operator to view the current hours of use and the recommended change intervals for various system components. The intervals can also be reset.

1. Press button 1 to access the main menu.
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2. Press button 2 or button 4 to highlight the "MAINTENANCE INFO" menu. Press button 3.

3. A list of system components will be displayed. Press button 2 or button 4 to scroll through the list. For each of the system components, the current hours of use will be displayed. If the component has a recommended change interval, the recommended interval will be displayed to the right of the current hours of use.

4. To reset the maintenance hours, highlight the system component and press button 3.
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5. Press "Reset".

Performance Information Menu

The "PERFORMANCE" menu allows the operator to view measurements of various system components.

1. Press button 1 to access the main menu.
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2. Press button 2 or button 4 to highlight the "PERFORMANCE INFO" menu. Press button 3.

3. The "PERFORMANCE INFO" menu will be displayed with a list of system components and measurements.

4. Press button 2 or button 4 to scroll through the list.

   Note: Press button 1 to return to the default display or button 5 to return to the Main Menu.

Service Menu

Service Password Entry

When you try to access certain menus, you will be prompted to enter a password. Follow this procedure to enter the password.

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1. Press button 1 through button 4 to select the desired character.

Additional users with different passwords

Up to five additional users can be installed with individual passwords. The additional passwords can be given to rental customers, jobsite foremen, superintendents, and additional operators.

Enable additional users

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1. Press the top button to access the main menu. Highlight "Service" and press "OK". Consult your Cat dealer for the security code.
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2. Highlight "SECURITY SYSTEM" and press "OK". Highlight "USER #01" and press "OK" for the following two screens as seen above.
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3. Select the arrow next to "ENABLE" to activate User 1.

   Note: User 1 is now enabled. The default password is B1234. You can then set each individual user password as long as you have started the machine by using the owner password.

Note: Follow the same steps to set up additional users 2 to 4 and to disable users as desired.

Change the User Password

The default user passwords are listed in the following table.

Note: The owner password always begins with the letter A. The 4-digit PIN can be changed to contain any number between 0 to 9.

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1. Press the top button to access the main menu. Consult your Cat dealer for the security code.

2. Highlight "SECURITY SYSTEM" and press "OK".
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3. Select "USER #01" and press "OK".
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4. Select "PASSWORD CHANGE" and press "OK". Then change each digit to the desired password character and press "OK" each time.
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5. You will be asked to re-enter the password to confirm the change. This is to ensure that an incorrect button was not selected.

   Note: Remember this password. If the user password is forgotten, the owner can change as desired. To change the user password, log in to the machine with the owner password and redo the steps above.

Security System

The new E series MHE's come with a standard password protected Anti-theft device. The system is disabled on machines from the factory to prevent locking the machine during delivery. This system can be installed by following a few simple steps.

Install the security system

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1. Press the top button to access the main menu. Consult your Cat dealer for the security code.
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2. Highlight "SECURITY SYSTEM" and press "OK" on the next two screens.
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3. Press the button next to either "INSTALLED WITH NO OPTION" or "INSTALLED WITH OPTION".

The Security System is now installed. The default owner password from the factory is A1234.

Note: When the security system is installed, only the owner can enter Service mode, change passwords, enable users, change clock settings, and reset maintenance intervals.

Change the Owner Security System Password

The default owner password is A1234. The owner password always begins with the letter A. The 4-digit PIN can be changed to any number between 0 and 9.

The 4-digit password can be changed by following these steps:

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1. Press the top button for access to the main menu. Highlight "SECURITY SYSTEM" and press "OK"

2. Highlight "PASSWORD CHANGE" and press "OK".
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3. Change each digit to the desired password and press "OK" each time.

4. The system will ask to re-enter the password after changing to ensure that you did not hit the incorrect button.

Note: The password must be delivered. The only way to change the password is to flash a "wash" file through Electronic Technician. After using the wash file, the owner password will default back to A1234. This wash file is available in SIS Web.

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When switching off the machine, if the Security System is installed, the monitor will display three options.

(1) Choose "1 Minute" and there will be a "1 Minute" delay before the machine engages the Security System. During this time, the key may be re-engaged and the machine will restart.

(2) Choose "Unlimited" and the Security System will not engage.

Note: If the Security System is not engaged, no screen will appear.