Message List Menu SG+ 1.5

The Message List Menu displays messages. Messages are recorded in the controller memory to simplify unit diagnostic procedures. The messages are listed in the reverse order of their occurrence. Enter the Message List Menu to view the and acknowledge the messages. Acknowledging a message clears it from the list.

Note The unit will not start a PTI until all active messages have been acknowledged. The display will show “ACKNOWLEDGE MESSAGE” if there are messages that have not been acknowledged when trying to start a PTI.

Parent topic: SG+ 1.5 Operating Instructions

Displaying and Acknowledging Messages

Enter the Message List Menu to view and acknowledge the messages as follows:

  1. Place the On/Off switch in the “ON” position.

  2. Press the ENTER key or the ESCAPE key to enter the Main Menu, if necessary.

  3. Press the UP or DOWN key to scroll up or down through the Main Menu to the Message List Menu.

  4. Press the ENTER key to enter the Message List Menu.

  5. The Message List Menu will appear on the display. It shows the most recent message and the following information:

    • The message code (109 through 803).

    • The position of the message in the list of recorded messages. For example, 1/1 means message one of one.

    • The message text.

    • The message status (Active or Acknowledged).

  6. Write down the message code and the message text.

  7. Press the ENTER key to acknowledge the message. The Alarm LED will continue flashing until the active messages (and alarms) have been acknowledged.

  8. Press the DOWN key to scroll down to the next message, if necessary.

  9. Write down the message code and the message text.

  10. Press the ENTER key to acknowledge the message.

  11. Repeat steps 8 through 10 until all active messages have been written down and acknowledged.

  12. Press the ESCAPE key to return to the Main Menu.

  13. The unit will then enter the Start Sequence and start the engine.

Message Diagnosis

The Message List details the messages / warnings, their causes, and possible diagnosis.

Message List
Message Code Message Text Message Type–Cause Diagnostics
M109 Water IN FUEL

Operation

Warning if water in fuel is detected.

  1. Drain water from primary filter bowl.

  2. Check water sensor for proper operation.
M111 OIL PRESSURE LOW

Operation

Low oil pressure message active.

 Connect ECU Test Tool to Read Engine Codes

  1. Check oil pressure switch.

  2. Check oil pressure circuit:

    • Unit OFF switch open

    • Unit running switch closed to ground
M112 FUEL LEVEL ERROR

PTI

Fuel sensor is out of range based on tank size. Measurement below empty or above full.

  1. Check fuel sensor: 12 VDC on Red wire, 1-4 VDC on Yellow wire.

  2. Check fuel sensor circuit.
M113 SPEED CONTROL ERROR

PTI

RPM is not controllable within range 1500/1800 +/- 50 RPM.

 Connect ECU Test Tool to Read Engine Codes
M114 VOLTAGE CONTROL ERROR

PTI

Voltage is not controller within range.

Low speed 400, High speed 460 +/- 30 VAC

 See “Alternator Diagnosis”.
M115 FUEL LEVEL CHANGE TO FAST

Operation

Fuel level decease more than 10 gallons.

  1. Check for leak in fuel tank.

  2. Check to see if fuel has been removed

    from fuel tank.
M300 ENGINE EVENT

Operation

ECU P-Code event sent by the ECU

Connect ECU Test Tool to Read Engine Codes.
M302 ENGINE SERVICE LAMP

Operation

ECU Service lamp activated.

 Connect ECU Test Tool to Read Engine Codes.
M720 MAIN BATTERY FAILURE

PTI

Battery voltage is below 12.2 volts for 3 min. when genset is outputting power.

During preheat or engine running no output voltage is below 9.0 for 3 sec.

Check battery connection Load test battery replace if defective.

Check the S12 30 amp fuse
M803 ARV COMM ERROR

Operation

DSR reporting Shorted or Open condition in alternator.

See “Alternator Diagnosis”